TOKIN Corporation

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IPC Class
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets 29
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals 26
H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture 26
H01F 27/255 - Magnetic cores made from particles 23
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties 19
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NICE Class
09 - Scientific and electric apparatus and instruments 19
06 - Common metals and ores; objects made of metal 10
07 - Machines and machine tools 7
17 - Rubber and plastic; packing and insulating materials 3
42 - Scientific, technological and industrial services, research and design 3
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1.

TOKINARC

      
Application Number 1837763
Status Registered
Filing Date 2024-11-15
Registration Date 2024-11-15
Owner TOKIN CORPORATION (Japan)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Arc welding machines; arc welding torches; parts and accessories for arc welding machines; electric metal cutting machines; electric welding machines for metalworking; metalworking machines and tools; welding electrodes; welding torches and parts thereof; pumps for cooling welding torches; cleaners for torch nozzles and parts thereof; cleaners for contact tips for welding torches and parts thereof; spatter and fume elimination apparatus; cleaning machines for welding machines; cleaning machines for welding electrodes; welding wire feeders; robotic welding system comprised primarily of industrial welding robots and replacement parts therefor; industrial welding robots for changing parts for welding machines; welding electrodes grinding machines.

2.

MNZN-BASED FERRITE, AND METHOD FOR PRODUCING MNZN-BASED FERRITE

      
Application Number JP2024021849
Publication Number 2025/013526
Status In Force
Filing Date 2024-06-17
Publication Date 2025-01-16
Owner TOKIN CORPORATION (Japan)
Inventor Misumi Shota

Abstract

23232233 relative to 100% by mass of the main components.

IPC Classes  ?

  • C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
  • C01G 49/00 - Compounds of iron
  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
  • H01F 1/36 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles

3.

SOLID-ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SOLID-ELECTROLYTIC CAPACITOR

      
Application Number 18752406
Status Pending
Filing Date 2024-06-24
First Publication Date 2025-01-09
Owner TOKIN Corporation (Japan)
Inventor
  • Koarashi, Genki
  • Ishijima, Masami
  • Asami, Tadamasa
  • Sugawara, Yasuhisa

Abstract

A solid-electrolytic capacitor according to an aspect of the present disclosure includes an anode member made of a valve metal, a dielectric layer formed on the anode member, and a solid electrolyte layer formed on the dielectric layer. The solid electrolyte layer includes a first electrolyte layer formed on the dielectric layer and a second electrolyte layer formed on the first electrolyte layer, in which the first electrolyte layer is an ion-conducting electrolyte layer and the second electrolyte layer is an electron-conducting electrolyte layer.

IPC Classes  ?

  • H01G 9/025 - Solid electrolytes
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture
  • H01G 9/048 - Electrodes characterised by their structure
  • H01G 9/07 - Dielectric layers
  • H01G 9/15 - Solid electrolytic capacitors

4.

MAGNETIC COMPONENT AND MAGNETIC POWDER

      
Application Number JP2024022254
Publication Number 2024/262543
Status In Force
Filing Date 2024-06-19
Publication Date 2024-12-26
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chiba Miho
  • Urata Akiri
  • Kanamori Yu

Abstract

This magnetic component includes a magnetic powder, wherein the magnetic powder includes a metal portion, an oxide film, and at least one specific kind of particles. The specific particles contain Cu as a main component. The specific particles are present at the interface between the metal portion and the oxide film. The specific particles have a particle size of 3 to 70 nm.

IPC Classes  ?

  • H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals

5.

MANUFACTURING METHOD OF ALLOY POWDER

      
Application Number 18800275
Status Pending
Filing Date 2024-08-12
First Publication Date 2024-12-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Imano, Yosuke
  • Urata, Akiri
  • Kuno, Masato

Abstract

A manufacturing method of alloy powder includes shaping a flowing fluid made of coolant liquid into a liquid film which has a predetermined thickness between 0.1 mm and 15 mm by continuously supplying the coolant liquid from a nozzle onto an inner wall of a drum; applying a predetermined acceleration to the liquid film along a thickness direction of the liquid film, wherein the predetermined acceleration has a value between 2.0×104 G and 1.0×107 G; supplying the liquid film with molten alloy which is not divided into a size of the predetermined thickness or less; and dividing the molten alloy into the size of the predetermined thickness or less by the flowing fluid to make alloy particles, and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously in contact with the flowing fluid so as to be cooled.

IPC Classes  ?

  • B22F 9/06 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material

6.

ALLOY POWDER MANUFACTURING APPARATUS

      
Application Number 18576860
Status Pending
Filing Date 2022-07-05
First Publication Date 2024-10-24
Owner TOKIN CORPORATION (Japan)
Inventor
  • Imano, Yosuke
  • Kuno, Masato
  • Urata, Akiri

Abstract

An alloy powder manufacturing apparatus includes a substrate, at least one nozzle, and at least one alloy supply part. The nozzle forms a liquid film having a predetermined thickness by supplying a high-speed fluid formed from a cooling liquid onto the substrate in such a manner as to apply a predetermined acceleration to the liquid film along a thickness direction. The alloy supply part supplies a molten alloy to the liquid film without dividing same into a size equal to or less than a predetermined thickness. Particles are formed by dividing the molten alloy into a size equal to or less than the predetermined thickness by means of the high-speed fluid, and the particles are cooled in a condition in which the particles are retained in the liquid film by means of the predetermined acceleration and kept in contact with the high-speed fluid.

IPC Classes  ?

  • B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying

7.

IRON-BASED SOFT MAGNETIC POWDER, MAGNETIC COMPONENT USING SAME AND DUST CORE

      
Application Number 18579400
Status Pending
Filing Date 2022-05-09
First Publication Date 2024-10-17
Owner
  • JFE STEEL CORPORATION (Japan)
  • TOKIN Corporation (Japan)
Inventor
  • Takashita, Takuya
  • Yamamoto, Naoki
  • Nakaseko, Makoto
  • Unami, Shigeru
  • Tomozawa, Masanari
  • Urata, Akiri
  • Chiba, Miho

Abstract

Provided is an iron-based soft magnetic powder that may be used in producing a dust core having a low iron loss. The iron-based soft magnetic powder has a crystallinity of 10% or less, volume-based median circularity (C50) of 0.85 or more, and when heated to 400° C. at a heating rate of 3° C./min and held at 400° C. for 20 min in a nitrogen atmosphere, then allowed to naturally cool to room temperature, number density of Cu clusters in the powder of 1.00×103/μm3 or more and 1.00×106/m3 or less, and average Cu concentration of the Cu clusters of 30.0 at % or more.

IPC Classes  ?

  • B22F 1/102 - Metallic powder coated with organic material
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

8.

COMPOSITE SOFT MAGNETIC POWDER, METHOD FOR PRODUCING COMPOSITE SOFT MAGNETIC POWDER, AND MAGNETIC COMPONENT

      
Application Number JP2024010128
Publication Number 2024/190889
Status In Force
Filing Date 2024-03-14
Publication Date 2024-09-19
Owner TOKIN CORPORATION (Japan)
Inventor
  • Imano Yosuke
  • Oshima Akiko
  • Matsuzawa Satoru

Abstract

This composite soft magnetic powder has primary particles and an insulator layer. The primary particles comprise a soft magnetic metal. The insulator layer covers the surface of the primary particles. The insulator layer has an amorphous layer containing Al, P and O.

IPC Classes  ?

  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/14 - Treatment of metallic powder
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • H01F 27/255 - Magnetic cores made from particles

9.

DUST CORE, INDUCTOR, AND DUST CORE MANUFACTURING METHOD

      
Application Number JP2024003503
Publication Number 2024/171850
Status In Force
Filing Date 2024-02-02
Publication Date 2024-08-22
Owner TOKIN CORPORATION (Japan)
Inventor
  • Oshima Akiko
  • Imano Yosuke
  • Matsuzawa Satoru

Abstract

Provided is a dust core which enables improvement of reliability of an inductor. A dust core (1) according to one embodiment of the present disclosure is obtained by binding magnetic powder (11) by means of an insulation layer (12). The insulation layer (12) contains: a phosphoric acid-based insulation material (13); a resin material (15); and a moisture absorption inhibitor (14) that contains calcium. For example, the weight ratio (Ca/P) of calcium contained in the moisture absorption inhibitor (14) to phosphorus contained in the phosphoric acid-based insulation material (13) is at least 0.10.

IPC Classes  ?

  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

10.

PYROELECTRIC INFRARED SENSOR AND ELECTRONIC DEVICE COMPRISING PYROELECTRIC INFRARED SENSOR

      
Application Number 18220299
Status Pending
Filing Date 2023-07-11
First Publication Date 2024-08-15
Owner TOKIN CORPORATION (Japan)
Inventor
  • Fujiwara, Shigemi
  • Kaneko, Makoto

Abstract

A pyroelectric infrared sensor comprises an internal board, a pyroelectric element and a capacitor element. The internal board is provided with a first electrode pad and a second electrode pad. The pyroelectric element has a composition of PbCa(MnSb)TiO and is connected to the first electrode pad. The capacitor element is connected to the second electrode pad with a high melting point solder paste which has a liquidus temperature equal to or more than 240° C.

IPC Classes  ?

  • G01J 5/34 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
  • G01J 5/02 - Constructional details

11.

METHOD FOR MANUFACTURING COIL COMPONENT, AND COIL COMPONENT

      
Application Number JP2023045054
Publication Number 2024/142999
Status In Force
Filing Date 2023-12-15
Publication Date 2024-07-04
Owner TOKIN CORPORATION (Japan)
Inventor
  • Saito Yoshihiro
  • Sekiguchi Shunya
  • Abe Tomohiro
  • Kosaka Jiro
  • Nikaido Yoshinobu

Abstract

This method for manufacturing a coil component comprises: a preparation step for preparing a preform that has a flat portion and comprises a prescribed material containing a magnetic powder and an uncured or semi-cured thermosetting resin; a placement step for placing inside a mold an intermediate assembly obtained by combining the preform and a coil member; an insertion step for inserting additional material that is the same material as the prescribed material into the mold such that the intermediate assembly is no longer visible; and a curing step for pressurizing the preform and the additional material while heating at a prescribed temperature at which the thermosetting resin contained in the prescribed material and the additional material melts, thereby integrating and curing the preform and the additional material.

IPC Classes  ?

  • H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • H01F 27/28 - CoilsWindingsConductive connections
  • H01F 27/29 - TerminalsTapping arrangements
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

12.

POWDER MAGNETIC CORE, INDUCTOR, AND METHOD OF MANUFACTURING POWDER MAGNETIC CORE

      
Application Number 18360729
Status Pending
Filing Date 2023-07-27
First Publication Date 2024-03-14
Owner TOKIN Corporation (Japan)
Inventor
  • Yamaki, Makoto
  • Onishi, Naoto
  • Urata, Akiri
  • Kobayashi, Kenichiro
  • Kanamori, Yu
  • Shima, Hiroshi
  • Mikoshiba, Shun

Abstract

A powder magnetic core capable of achieving a low loss in a high frequency range is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. A volume filling percentage of the magnetic powder included in the powder magnetic core is 85 volume % or higher, and a value obtained by dividing a BET specific surface area (m2/g) of the powder magnetic core by a specific surface area (m2/g) calculated using outer dimensions of the powder magnetic core is 5000 or less.

IPC Classes  ?

  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

13.

POWDER MAGNETIC CORE, INDUCTOR, AND METHOD FOR MANUFACTURING POWDER MAGNETIC CORE

      
Application Number 18454622
Status Pending
Filing Date 2023-08-23
First Publication Date 2024-03-14
Owner TOKIN Corporation (Japan)
Inventor
  • Mikoshiba, Shun
  • Shima, Hiroshi
  • Kobayashi, Kenichiro
  • Urata, Akiri
  • Yamaki, Makoto
  • Onishi, Naoto

Abstract

A powder magnetic core according to an aspect of the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and when a cross-sectional photograph of the powder magnetic core is taken, an area of the cross-sectional photograph having a size of 10000 μm2 is divided into unit areas, one or more of the unit areas in which the size of a cross-sectional area of a binder accounts for 50% or more of the unit area are extracted as specific unit areas, and the percentage of the number of specific unit areas with respect to the total number of unit areas is equal to or larger than 0.2% but equal to or smaller than 3.0%.

IPC Classes  ?

  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • H01F 3/08 - Cores, yokes or armatures made from powder

14.

ELECTRIC DOUBLE-LAYER CAPACITOR AND ITS MANUFACTURING METHOD

      
Application Number 18354537
Status Pending
Filing Date 2023-07-18
First Publication Date 2024-02-15
Owner TOKIN Corporation (Japan)
Inventor
  • Nishishita, Satoshi
  • Miyata, Shinji
  • Oga, Keisuke

Abstract

An electric double-layer capacitor capable of maintaining a low leakage current over a long period of time even in a high temperature range, having high reliability in the high temperature range, and thereby making it possible to extend the life of an apparatus using the electric double-layer capacitor is provided. Further, a method for manufacturing such an electric double-layer capacitor is also provided. An electric double-layer capacitor and its manufacturing method are characterized in that an aqueous electrolytic solution containing a water-soluble electrolyte of which a Hammett acidity function H0 at a temperature of 25° C. is −2.8 or higher and a vapor pressure at a temperature of 100° C. is 400 mmHg or lower is used.

IPC Classes  ?

  • H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
  • H01G 11/38 - Carbon pastes or blendsBinders or additives therein
  • H01G 11/34 - Carbon-based characterised by carbonisation or activation of carbon
  • H01G 11/84 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof

15.

PERMANENT MAGNET AND DEVICE

      
Application Number 18354532
Status Pending
Filing Date 2023-07-18
First Publication Date 2024-02-08
Owner
  • KYUSHU INSTITUTE OF TECHNOLOGY (Japan)
  • TOKIN Corporation (Japan)
Inventor
  • Takezawa, Masaaki
  • Machida, Hiroaki
  • Fujiwara, Teruhiko
  • Makuta, Hirokazu

Abstract

A permanent magnet having excellent magnetic properties and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of R: 23 to 27 wt % (R is a sum total of rare-earth elements including at least Sm), Fe: 22 to 27 wt %, Mn: 0.3 to 2.5 wt %, Cu: 4.0 to 5.0 wt %, and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundary phases, and a concentration of Cu in at least a part of the grain boundary phases is 45 at % or higher.

IPC Classes  ?

  • H01F 1/059 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
  • C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
  • C22C 19/00 - Alloys based on nickel or cobalt
  • C22C 1/03 - Making non-ferrous alloys by melting using master alloys
  • B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
  • B22F 3/16 - Both compacting and sintering in successive or repeated steps
  • B22F 3/24 - After-treatment of workpieces or articles

16.

COMPOSITE MAGNETIC SHEET

      
Application Number JP2023027428
Publication Number 2024/024853
Status In Force
Filing Date 2023-07-26
Publication Date 2024-02-01
Owner TOKIN CORPORATION (Japan)
Inventor
  • Igarashi Toshiyuki
  • Urata Akiri
  • Chiba Miho

Abstract

This composite magnetic sheet comprises a metal magnetic powder and a binder. The saturation magnetization of the composite magnetic sheet is 0.73T to1.20T inclusive. The average thickness of the metal magnetic powder is between 0.1 μm to 3.0 μm inclusive. The average aspect ratio of the metal magnetic powder is 2 to 200 inclusive.

IPC Classes  ?

  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/102 - Metallic powder coated with organic material
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals

17.

A METHOD OF MANUFACTURING A DUST CORE AND THE DUST CORE

      
Application Number 18028667
Status Pending
Filing Date 2021-09-28
First Publication Date 2024-01-25
Owner TOKIN CORPORATION (Japan)
Inventor
  • Yamaki, Makoto
  • Onishi, Naoto
  • Urata, Akiri

Abstract

A dust core is manufactured by compacting magnetic particles in a metal die while heating the magnetic particles at a predetermined temperature in the metal die. At least some of the magnetic particles are coated with coating material. The metal die comprises a die, an upper punch and a lower punch. The upper punch is positioned above the lower punch in an up-down direction. The metal die is provided with a low-temperature portion and a high-temperature portion. A temperature of the low-temperature portion is less than a temperature of the high-temperature portion by 10° C. or more.

IPC Classes  ?

  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals

18.

PERMANENT MAGNET AND ITS MANUFACTURING METHOD, AND DEVICE

      
Application Number 18256189
Status Pending
Filing Date 2021-12-08
First Publication Date 2024-01-18
Owner TOKIN CORPORATION (Japan)
Inventor Makuta, Hirokazu

Abstract

A permanent magnet having a high coercivity, a method for manufacturing such a permanent magnet, and a device using such a permanent magnet are provided. The permanent magnet has a composition represented by a below-shown Formula (1). Formula (1): (R1-xZrx)a(T1-yMy)bBc. In Formula (1); R is at least one element selected from rare earth elements; T is at least one element selected from a group consisting of Fe, Co and Ni; M is at least one element selected from a group consisting of Al, Si, Ti, V, Cr, Mn, Cu, Hf, Nb, Mo, Ta and W; and each of a, b and c indicates atomic %, and x and y indicate ratios of Zr and M, respectively; and they are numbers that satisfy below-shown Expressions, 5≤a≤12, b=100−(a+c), 0.1≤c≤20, 0.01≤x≤0.5, and 0.01≤y≤0.5.

IPC Classes  ?

  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 38/14 - Ferrous alloys, e.g. steel alloys containing titanium or zirconium
  • C22C 38/10 - Ferrous alloys, e.g. steel alloys containing cobalt

19.

ALLOY POWDER, NANOCRYSTALLINE POWDER AND MAGNETIC CORE

      
Application Number 18369988
Status Pending
Filing Date 2023-09-19
First Publication Date 2024-01-11
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata, Akiri
  • Imano, Yosuke
  • Yamaki, Makoto
  • Onishi, Naoto
  • Kuno, Masato
  • Takashita, Takuya
  • Nakaseko, Makoto

Abstract

Alloy powder includes particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed, the divided trace being a mark at which molten alloy is divided; and the divided trace has at least a hill-like ridge aggregate structure or a combination of a crater structure and the hill-like ridge aggregate structure, the hill-like ridge aggregate structure being an aggregate of a plurality of hill-like ridges.

IPC Classes  ?

  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
  • B22F 1/054 - Nanosized particles
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

20.

MAGNETIC BODY AND MAGNETIC ELEMENT

      
Application Number 18252701
Status Pending
Filing Date 2021-07-15
First Publication Date 2024-01-04
Owner TOKIN Corporation (Japan)
Inventor
  • Matsuzawa, Satoru
  • Oshima, Akiko
  • Okamoto, Koichi

Abstract

Provided is a magnetic body and a magnetic element that can be used in a high temperature environment of 180° C. and are excellent in heat resistance. The magnetic body according to an aspect of the present invention includes an iron alloy powder having an inorganic insulating layer on the surface thereof and a resin cured product, and contains 4 to 10 parts by mass of Si in 100 parts by mass of the iron alloy powder.

IPC Classes  ?

  • H01F 1/147 - Alloys characterised by their composition
  • H01F 27/255 - Magnetic cores made from particles
  • B22F 1/16 - Metallic particles coated with a non-metal
  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
  • B22F 1/145 - Chemical treatment, e.g. passivation or decarburisation
  • B22F 1/102 - Metallic powder coated with organic material
  • B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
  • B22F 3/02 - Compacting only
  • C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon

21.

MnZn-BASED FERRITE AND METHOD FOR PRODUCING SAME

      
Application Number 18247437
Status Pending
Filing Date 2021-08-16
First Publication Date 2024-01-04
Owner TOKIN Corporation (Japan)
Inventor Misumi, Shota

Abstract

A MnZn-based ferrite that can suppress both reduction of the loss at a high frequency and a change in magnetic properties in a high magnetic field and a method for producing the same are provided. A MnZn-based ferrite including Fe2O3, ZnO, and MnO as main components, in which Fe2O3 is 53.2 to 56.0 mol % and ZnO is 3.0 to 12.0 mol %, with a balance of MnO, in 100 mol % of the main components, the MnZn-based ferrite includes 0.005 to 0.060% by mass of SiO2, 0.010 to 0.060% by mass of CaO, 0.10 to 0.40% by mass of CO2O3, and 0.05 to 0.30% by mass of TiO2, as auxiliary components, per 100% by mass of the main components, an average crystal grain diameter is 4 μm or less, and a sintering density is 4.8 g/cm3 or more.

IPC Classes  ?

  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
  • C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
  • C04B 35/626 - Preparing or treating the powders individually or as batches
  • C04B 35/64 - Burning or sintering processes

22.

REACTOR

      
Application Number 18032352
Status Pending
Filing Date 2021-09-01
First Publication Date 2023-11-30
Owner TOKIN CORPORATION (Japan)
Inventor
  • Tamashiro, Katsuaki
  • Nitobe, Yuji
  • Kondo, Masahiro
  • Hoshi, Norimitsu
  • Hayasaka, Hideaki

Abstract

A reactor includes a coil having a winding part, a holding member, and a magnetic core. The winding part is partially buried inside the holding member, and has an upper exposed part and a lower exposed part exposed from the holding member in the vertical direction (Z direction). The upper exposed part has an upper curved surface part. The upper curved surface part is exposed from the holding member at both sides in the horizontal direction (Y direction). The magnetic core has two outer legs. The winding part is positioned between the two outer legs in the horizontal direction. The holding member has two side walls corresponding to each of the outer legs. Each of the side walls is positioned between the corresponding outer leg and the winding part in the horizontal direction.

IPC Classes  ?

  • H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
  • H01F 3/10 - Composite arrangements of magnetic circuits
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated

23.

ELECTRIC CURRENT SENSOR

      
Application Number 18032376
Status Pending
Filing Date 2021-10-25
First Publication Date 2023-11-30
Owner TOKIN CORPORATION (Japan)
Inventor
  • Saito, Gota
  • Saito, Masuto
  • Yoshinari, Tetsuya
  • Niiyama, Noritaka

Abstract

An electric current sensor includes an upper shield case, a lower shield case, a press-fit member and an inner member. The upper shield case has at least an upper surface and an upper outer peripheral portion. The upper outer peripheral portion extends downward in an up-down direction from an outer edge of the upper surface. The lower shield case has at least a lower surface and a lower outer peripheral portion. The lower outer peripheral portion extends upward in the up-down direction from an outer edge of the lower surface. The upper shield case and the lower shield case form an accommodating portion. The press-fit member has a main portion. The main portion pushes both of the upper outer peripheral portion and the lower outer peripheral portion outward in a horizontal plane perpendicular to the up-down direction to integrally fix the upper and lower shield cases to each other.

IPC Classes  ?

  • G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
  • H01F 38/30 - Constructions

24.

MnZn-BASED FERRITE

      
Application Number 18247858
Status Pending
Filing Date 2021-08-16
First Publication Date 2023-11-23
Owner TOKIN CORPORATION (Japan)
Inventor
  • Misumi, Shota
  • Chiba, Tatsuya
  • Murai, Kenichi

Abstract

A MnZn-based ferrite that can reduce the loss even when a high-frequency voltage fluctuation occurs is provided. The above MnZn-based ferrite is a MnZn-based ferrite including Fe2O3, ZnO, and MnO as main components, in which Fe2O3 is 53.2 to 56.3 mol % and ZnO is 1.0 to 9.0 mol %, with a balance of MnO, in 100 mol % of the main components, and the MnZn-based ferrite includes 0.9 to 2.0% by mass of Co2O3, 0.005 to 0.06% by mass of SiO2, and 0.01 to 0.06% by mass of CaO, as auxiliary components, per 100% by mass of the main components.

IPC Classes  ?

  • C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites

25.

ANTENNA DEVICE

      
Application Number JP2023016764
Publication Number 2023/210784
Status In Force
Filing Date 2023-04-27
Publication Date 2023-11-02
Owner TOKIN CORPORATION (Japan)
Inventor
  • Tamashiro Katsuaki
  • Hoshi Norimitsu
  • Oka Toshiaki

Abstract

This antenna device comprises: a substrate; a coil antenna; and a resonance circuit. The substrate has a planar conductive part. An opening and a slit are formed in the conductive part. The slit is connected to the opening. The coil antenna is mounted on the substrate so as to at least partially overlap the opening when seen from a vertical direction orthogonal to the substrate. The coil antenna is provided with a coil and a magnetic core. The magnetic core partially forms a magnetic path of the coil. The magnetic core is positioned in a region excluding a specific region directly below the coil. The magnetic core has at least a center core. The center core is at least partially positioned on the inner side of the coil.

IPC Classes  ?

  • H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
  • H01Q 19/02 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic Details

26.

DUST CORE AND INDUCTOR

      
Application Number 18295202
Status Pending
Filing Date 2023-04-03
First Publication Date 2023-10-12
Owner TOKIN Corporation (Japan)
Inventor
  • Mikoshiba, Shun
  • Shima, Hiroshi
  • Kobayashi, Kenichiro
  • Chiba, Miho
  • Urata, Akiri
  • Yamaki, Makoto
  • Onishi, Naoto

Abstract

To provide a dust core with good direct current superimposition characteristics and an inductor using such a dust core. A dust core according to an aspect of the present disclosure includes magnetic powder particles that are bound together through a binder layer, in which when a magnetic permeability in a state where a magnetic flux density generated by a direct current is 0 T is represented by μB=0 T and a magnetic permeability in a state where the magnetic flux density generated by a direct current is 0.5 T is represented by μB=0.5 T, a value expressed by μB=0.5 T/μB=0 T is 0.65 or higher.

IPC Classes  ?

  • H01F 27/255 - Magnetic cores made from particles
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

27.

ADHESIVE TAPE AND TAPE ROLL

      
Application Number 18118172
Status Pending
Filing Date 2023-03-07
First Publication Date 2023-10-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Omiya, Tadashi
  • Abe, Masakazu

Abstract

An adhesive tape has a noise reduction function. The adhesive tape comprises a main member having a front surface and a back surface, and an adhesive layer provided on the back surface of the main member. The main member comprises a magnetic sheet and a uniaxially oriented film laminated on the magnetic sheet. The magnetic sheet contains a binder and magnetic particles distributed in the binder. The magnetic sheet solely has breaking strength of 2.5 N / 5 mm or more but 40 N / 5 mm or less, and elongation at break of 25 % or less.

IPC Classes  ?

  • C09J 7/29 - Laminated material
  • C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers

28.

ELECTRIC CURRENT SENSOR DEVICE

      
Application Number JP2023010048
Publication Number 2023/189593
Status In Force
Filing Date 2023-03-15
Publication Date 2023-10-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata Junetsu
  • Abe Hiroshi
  • Yoshinari Tetsuya
  • Saito Masuto
  • Mori Masashi

Abstract

In an electric current sensor device 10, a magnetic core 12 is annular and a primary conductor 50 is inserted therein. A load 143 of a drive circuit 14 is a secondary conductor 151 that is wound around the magnetic core 12. A detection resistor 16 converts a current flowing in the secondary conductor 151 into a voltage and generates, at one end thereof, a detection voltage. A drive unit 141 switches the direction of a current flowing in the secondary conductor 151 on the basis of pulse signals. A detection unit 20 detects a current which has flowed in the primary conductor 50 on the basis of the duty ratio of the pulse signals. A pulse signal generation circuit 18 monitors the detection voltage generated at one end of the detection resistor 16 and inverts on/off of the pulse signals. A clock generation unit 201 of the detection unit 20 generates clock signals at a predetermined period. A counter 211 counts the duty ratio of the pulse signals using clock signals.

IPC Classes  ?

  • G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
  • G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
  • G01R 19/32 - Compensating for temperature change

29.

MAGNETIC BODY AND MAGNETIC ELEMENT

      
Application Number JP2023008472
Publication Number 2023/181902
Status In Force
Filing Date 2023-03-07
Publication Date 2023-09-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Matsuzawa Satoru
  • Oshima Akiko
  • Fujimoto Chieko
  • Kanamori Yu
  • Ohdaira Kaori

Abstract

The present invention provides a magnetic body and a magnetic element having excellent long-term heat resistance in a 180°C high-temperature environment. A magnetic body according to one aspect of the present invention contains soft magnetic powder (1) and a resin cured product (2) and has excellent long-term heat resistance in a 180°C high-temperature environment.

IPC Classes  ?

  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • C08K 9/02 - Ingredients treated with inorganic substances
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • C08K 3/11 - Compounds containing metals of Groups 4 to 10 or of Groups 14 to 16 of the Periodic Table

30.

SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR

      
Application Number 18163150
Status Pending
Filing Date 2023-02-01
First Publication Date 2023-08-24
Owner TOKIN CORPORATION (Japan)
Inventor
  • Araki, Kenji
  • Kawai, Akihiro

Abstract

A solid electrolytic capacitor capable of improving manufacturing yield is provided. A solid electrolytic capacitor according to one aspect of the present disclosure includes an anode lead-out wire and a capacitor element in which the anode lead-out wire is embedded. The cross section of at least a part of the anode lead-out wire in a direction in which the anode lead-out wire is extended has a flat shape, and a recess provided in a central part, a first linear part that is extended outward from one side of the recess, and a second linear part that is extended outward from another side of the recess are formed in at least one of an upper surface and a lower surface of the anode lead-out wire having the flat shape.

IPC Classes  ?

  • H01G 9/04 - Electrodes
  • H01G 9/15 - Solid electrolytic capacitors
  • H01G 9/08 - HousingEncapsulation
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture

31.

SOFT MAGNETIC POWDER

      
Application Number JP2023003806
Publication Number 2023/153366
Status In Force
Filing Date 2023-02-06
Publication Date 2023-08-17
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chiba Miho
  • Urata Akiri
  • Takashita Takuya
  • Nakaseko Makoto

Abstract

A soft magnetic powder according to the present invention has a glass transition temperature Tg, a first crystallization starting temperature Tx1 and a second crystallization starting temperature Tx2. The first crystallization starting temperature Tx1 is 400°C to 475°C. The difference between the first crystallization starting temperature Tx1 and the glass transition temperature Tg (∆Tx = Tx1 - Tg) is 50°C or less. The difference between the second crystallization starting temperature Tx2 and the first crystallization starting temperature Tx1 (∆T = Tx2 - Tx1) is 65°C to 135°C.

IPC Classes  ?

  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B22F 1/08 - Metallic powder characterised by particles having an amorphous microstructure
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/20 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder

32.

COMPOSITION AND INJECTION-MOLDED ARTICLE

      
Application Number JP2022046925
Publication Number 2023/140014
Status In Force
Filing Date 2022-12-20
Publication Date 2023-07-27
Owner TOKIN CORPORATION (Japan)
Inventor Takahashi Hidenori

Abstract

Provided are: a composition with which a molded article that is suitable for injection molding and has satisfactory magnetic properties can be achieved; and an injection-molded article having satisfactory magnetic properties. This composition contains magnetic powder (10) and a thermoplastic resin (30), and a cover layer (20) is provided for at least a portion of the magnetic powder.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 3/01 - Use of inorganic substances as compounding ingredients characterised by their specific function
  • C08K 9/00 - Use of pretreated ingredients
  • H01F 1/147 - Alloys characterised by their composition
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances

33.

NOISE FILTER

      
Application Number 18146898
Status Pending
Filing Date 2022-12-27
First Publication Date 2023-07-06
Owner TOKIN Corporation (Japan)
Inventor
  • Sato, Shu
  • Nakano, Yuta
  • Kondo, Koichi
  • Harada, Koki

Abstract

A noise filter that can be miniaturized is provided. A noise filter includes a terminal fitting, a board, a coil mounted on the board, and an electronic component mounted on the board. The terminal fitting includes a terminal body electrically connected to an external device, a coil connection part electrically connected to the coil through a lead wire, and a board connection part electrically connected to the board. The coil connection part caulks the lead wire.

IPC Classes  ?

  • H03H 7/06 - Frequency selective two-port networks including resistors
  • H05K 1/18 - Printed circuits structurally associated with non-printed electric components

34.

Compressed powder body comprising soft magnetic alloy

      
Application Number 17990044
Grant Number 11911821
Status In Force
Filing Date 2022-11-18
First Publication Date 2023-06-01
Grant Date 2024-02-27
Owner TOKIN CORPORATION (Japan)
Inventor
  • Fujiwara, Mariko
  • Ohdaira, Kaori
  • Fujimoto, Chieko
  • Chatani, Kenichi

Abstract

A compressed powder body comprises metal particles and an interposed substance which is interposed between the metal particles. Each of the metal particles is made of FeSiAl-based soft magnetic alloy and has a flat shape when seen along a predetermined direction. The metal particles include one or more of the metal particles each of which is formed with one or more predetermined holes. Each of the predetermined holes passes through the metal particle in the predetermined direction. Each of the predetermined holes has a maximum width in a predetermined plane perpendicular to the predetermined direction the maximum width being equal to or larger than a thickness of the metal particle with the predetermined hole in the predetermined direction.

IPC Classes  ?

  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B22F 1/0655 - Hollow particles
  • B22F 1/105 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts

35.

PERMANENT MAGNET AND DEVICE

      
Application Number 17935463
Status Pending
Filing Date 2022-09-26
First Publication Date 2023-03-30
Owner TOKIN Corporation (Japan)
Inventor
  • Machida, Hiroaki
  • Fujiwara, Teruhiko
  • Makuta, Hirokazu

Abstract

A permanent magnet having excellent magnetic properties, and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of, in a mass percentage composition, R: 23 to 27% (R is a rare-earth element including at least Sm); Fe: 22 to 27%; Mn: 0.01 to 2.5%; and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundaries, an average crystal grain size (A. G.) of the crystal grains is equal to or larger than 100 μm, and a coefficient of variation (C. V.) of crystal grain sizes is equal to or smaller than 0.60.

IPC Classes  ?

  • H01F 7/02 - Permanent magnets
  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5

36.

Alloy powder, nanocrystalline powder and magnetic core

      
Application Number 17946161
Grant Number 11866810
Status In Force
Filing Date 2022-09-16
First Publication Date 2023-03-23
Grant Date 2024-01-09
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata, Akiri
  • Imano, Yosuke
  • Yamaki, Makoto
  • Onishi, Naoto
  • Kuno, Masato
  • Takashita, Takuya
  • Nakaseko, Makoto

Abstract

Alloy powder comprises particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed.

IPC Classes  ?

  • B22F 1/054 - Nanosized particles
  • B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
  • H01F 1/147 - Alloys characterised by their composition
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

37.

FE-BASED AMORPHOUS ALLOY POWDER, MAGNETIC COMPONENT, AND MAGNETIC POWDER CORE

      
Application Number JP2022019717
Publication Number 2023/007900
Status In Force
Filing Date 2022-05-09
Publication Date 2023-02-02
Owner
  • JFE STEEL CORPORATION (Japan)
  • TOKIN CORPORATION (Japan)
Inventor
  • Yamamoto Naoki
  • Takashita Takuya
  • Nakaseko Makoto
  • Unami Shigeru
  • Urata Akiri
  • Chiba Miho

Abstract

5050 in a volume-based particle size distribution of 3.0 μm to 60 μm inclusive, and a maximum particle size of 8.0 μm to 150 μm inclusive.

IPC Classes  ?

  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • B22F 1/16 - Metallic particles coated with a non-metal
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • H01F 27/255 - Magnetic cores made from particles

38.

FE-BASED AMORPHOUS ALLOY POWDER, MAGNETIC COMPONENT, AND MAGNETIC POWDER CORE

      
Application Number JP2022019719
Publication Number 2023/007901
Status In Force
Filing Date 2022-05-09
Publication Date 2023-02-02
Owner
  • JFE STEEL CORPORATION (Japan)
  • TOKIN CORPORATION (Japan)
Inventor
  • Yamamoto Naoki
  • Takashita Takuya
  • Nakaseko Makoto
  • Unami Shigeru
  • Urata Akiri
  • Chiba Miho

Abstract

cry50Ocry5050)/122

IPC Classes  ?

  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • B22F 1/16 - Metallic particles coated with a non-metal
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • H01F 27/255 - Magnetic cores made from particles

39.

IRON-BASED SOFT MAGNETIC POWDER, MAGNETIC COMPONENT USING SAME AND DUST CORE

      
Application Number JP2022019735
Publication Number 2023/007902
Status In Force
Filing Date 2022-05-09
Publication Date 2023-02-02
Owner
  • JFE STEEL CORPORATION (Japan)
  • TOKIN CORPORATION (Japan)
Inventor
  • Takashita Takuya
  • Yamamoto Naoki
  • Nakaseko Makoto
  • Unami Shigeru
  • Tomozawa Masanari
  • Urata Akiri
  • Chiba Miho

Abstract

5050) of circularity is 0.85 or more; the number density of Cu clusters in the powder is from 1.00 × 103/µm3to 1.00 × 106/µm3 if the iron-based soft magnetic powder is heated to 400°C at a heating rate of 3°C/minute, kept at the temperature for 20 minutes, and subsequently allowed to naturally cool to room temperature in a nitrogen atmosphere; and the average Cu concentration of the Cu clusters is 30.0 at% or more.

IPC Classes  ?

  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • B22F 1/16 - Metallic particles coated with a non-metal
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • H01F 27/255 - Magnetic cores made from particles

40.

SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR

      
Application Number 17812325
Status Pending
Filing Date 2022-07-13
First Publication Date 2023-01-26
Owner TOKIN CORPORATION (Japan)
Inventor
  • Sugawara, Yasuhisa
  • Ishijima, Masami
  • Asami, Tadamasa
  • Hoshina, Yusuke

Abstract

A solid electrolytic capacitor according to one aspect of the present disclosure includes: an anode body made of a valve metal; a dielectric layer formed on the anode body; and a solid electrolyte layer formed on the dielectric layer. The solid electrolyte layer includes: a first conductive polymer layer formed on the dielectric layer and heterogeneously doped with a monomolecular dopant; a block layer formed on the first conductive polymer layer; and a second conductive polymer layer formed on the block layer and composed of a self-doped-type conductive polymer containing a plurality of side chains containing a functional group that can be doped. The block layer blocks a migration of the self-doped-type conductive polymer from the second conductive polymer layer into the first conductive polymer layer and/or a migration of the self-doped-type conductive polymer from the second conductive polymer layer into pores of the porous anode body.

IPC Classes  ?

  • H01G 9/025 - Solid electrolytes
  • H01G 9/15 - Solid electrolytic capacitors
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture

41.

MAGNETIC CORE HOUSING AND NOISE REDUCTION DEVICE

      
Application Number 17813527
Status Pending
Filing Date 2022-07-19
First Publication Date 2023-01-26
Owner TOKIN Corporation (Japan)
Inventor
  • Saito, Naoko
  • Nitobe, Yuji
  • Saito, Yoshihiro
  • Hayasaka, Shuichi

Abstract

A magnetic core housing capable of applying a sufficient force to a magnetic core is provided. A magnetic core housing according to an aspect of the disclosure includes first and second housings each capable of housing a core, a hinge configured to connect the first and second housings with each other so that they can be opened and closed with respect to each other, and a metal spring disposed in the first housing. The metal spring includes a planar part and a pair of spring parts, and also includes reinforcing means for preventing the planar part from being bent due to a force transmitted from the pair of spring parts when the core is housed in the first housing.

IPC Classes  ?

  • H01F 27/24 - Magnetic cores
  • G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

42.

Manufacturing method of alloy powder

      
Application Number 17853646
Grant Number 12090553
Status In Force
Filing Date 2022-06-29
First Publication Date 2023-01-19
Grant Date 2024-09-17
Owner TOKIN CORPORATION (Japan)
Inventor
  • Imano, Yosuke
  • Urata, Akiri
  • Kuno, Masato

Abstract

4G or more along a thickness direction. In the supplying step, molten alloy which is not divided into a size of the predetermined thickness or less is supplied to the liquid film. In the dividing step, the molten alloy is divided into the size of the predetermined thickness or less by the high speed fluid to make alloy particles and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously cooled in the high speed fluid.

IPC Classes  ?

  • B22F 9/06 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material

43.

PERMANENT MAGNET AND METHOD FOR MANUFACTURING THE SAME

      
Application Number 17810200
Status Pending
Filing Date 2022-06-30
First Publication Date 2023-01-19
Owner TOKIN CORPORATION (Japan)
Inventor
  • Suzuki, Noriyoshi
  • Tanaka, Fumio

Abstract

A permanent magnet in which demagnetization adjustment can be easily performed and a method for manufacturing the same are provided. The permanent magnet contains 22 to 28 mass % of a rare-earth element R, 12 to 23 mass % of Fe, 3 to 9 mass % of Cu, 1 to 4 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which, in a demagnetization curve in which the horizontal axis indicates a demagnetization field (kOe) and the vertical axis indicates the total amount of magnetic flux (×10−5 WbT) in the permanent magnet, the slope of an approximate straight line in demagnetization field ranges from 0 to −11 kOe is 1.2 or smaller.

IPC Classes  ?

  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
  • B22F 3/16 - Both compacting and sintering in successive or repeated steps
  • B22F 3/24 - After-treatment of workpieces or articles
  • B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling

44.

ALLOY POWDER PRODUCTION DEVICE

      
Application Number JP2022026746
Publication Number 2023/282268
Status In Force
Filing Date 2022-07-05
Publication Date 2023-01-12
Owner TOKIN CORPORATION (Japan)
Inventor
  • Imano Yosuke
  • Kuno Masato
  • Urata Akiri

Abstract

This alloy powder production device comprises a substrate, at least one nozzle, and at least one alloy supply part. The nozzle forms a liquid film having a predetermined thickness by supplying a high-speed fluid formed from a cooling liquid onto the substrate in such a manner as to apply a predetermined acceleration to the liquid film along a thickness direction. The alloy supply part supplies a molten alloy to the liquid film without dividing same into a size equal to or less than a predetermined thickness. Particles are formed by dividing the molten alloy into a size equal to or less than the predetermined thickness by means of the high-speed fluid, and the particles are cooled in a condition in which the particles are retained in the liquid film by means of the predetermined acceleration and kept in contact with the high-speed fluid. (FIG. 1)

IPC Classes  ?

  • B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
  • B22F 9/10 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force

45.

Solid electrolytic capacitor and method of manufacturing the same

      
Application Number 17853610
Grant Number 11830681
Status In Force
Filing Date 2022-06-29
First Publication Date 2023-01-12
Grant Date 2023-11-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Takata, Hitoshi
  • Tanaka, Hiromasa

Abstract

A solid electrolytic capacitor includes a capacitor element, an anode terminal and a cathode terminal. The capacitor element includes an anode body, a dielectric layer, a solid electrolytic layer, a conductive layer and an anode lead wire. The anode lead wire is partially embedded in the anode body and extends in a horizontal direction from the anode body. The anode lead wire has a thicker portion and a thinner portion. The thinner portion is positioned closer to the anode body than the thicker portion is in the horizontal direction. The anode terminal at least has a first end, a second end and an overlapping portion. The anode terminal is connected to the anode lead wire under a state where the first end of the anode terminal is positioned on the thinner portion while the overlapping portion of the anode terminal overlaps with the thicker portion.

IPC Classes  ?

46.

Composite magnetic sheet and forming method of composite magnetic sheet

      
Application Number 17346566
Grant Number 11710588
Status In Force
Filing Date 2021-06-14
First Publication Date 2022-12-15
Grant Date 2023-07-25
Owner TOKIN CORPORATION (Japan)
Inventor
  • Tanno, Keitaro
  • Mikoshiba, Shun
  • Chatani, Kenichi

Abstract

A forming method of a composite magnetic sheet. The forming method comprises a preparing step, a forming step and a heat-treating step. In the preparing step, magnetic slurry is prepared by mixing at least a soft magnetic powder having a flat shape, a first resin having a solid component and a second resin having a solid component, weight loss of the solid component of the first resin being 4.0% or less at 220° C., weight loss of the solid component of the second resin being 5.0% or more at 220° C. In the forming step, the magnetic slurry is formed into an intermediate body having a sheet-like shape. In the heat-treating step, the intermediate body is heat-treated at a heat-treatment temperature between 220° C. and 400° C. (both inclusive).

IPC Classes  ?

  • H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
  • B29C 51/02 - Combined thermoforming and manufacture of the preform
  • B29L 7/00 - Flat articles, e.g. films or sheets
  • B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
  • B29K 505/00 - Use of metals, their alloys or their compounds, as filler
  • B29K 63/00 - Use of epoxy resins as moulding material

47.

Inductor

      
Application Number 29777878
Grant Number D0971842
Status In Force
Filing Date 2021-04-08
First Publication Date 2022-12-06
Grant Date 2022-12-06
Owner TOKIN Corporation (Japan)
Inventor
  • Mikoshiba, Shun
  • Shima, Hiroshi
  • Kobayashi, Kenichiro
  • Saito, Yoshihiro

48.

Solid electrolytic capacitor using a doped conductive polymer

      
Application Number 17659620
Grant Number 11908630
Status In Force
Filing Date 2022-04-18
First Publication Date 2022-10-27
Grant Date 2024-02-20
Owner TOKIN CORPORATION (Japan)
Inventor
  • Hoshina, Yusuke
  • Ishijima, Masami
  • Asami, Tadamasa
  • Sugawara, Yasuhisa

Abstract

A solid electrolytic capacitor according to an aspect includes an anode body made of a valve metal, a dielectric layer formed on the anode body, a solid electrolyte layer formed on the dielectric layer, and a cathode body layer formed on the solid electrolyte layer. The solid electrolyte layer includes a first layer containing a first conductive polymer doped with a monomolecular dopant, and a second conductive polymer composed of a self-doped-type conductive polymer containing a plurality of side chains containing a functional group, the functional group being able to be doped, and a second layer formed on the first layer and containing a third conductive polymer doped with a polymer dopant; and the first conductive polymer is in contact with the third conductive polymer (the second layer).

IPC Classes  ?

  • H01G 9/025 - Solid electrolytes
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture

49.

Solid electrolytic capacitor

      
Application Number 17719487
Grant Number 11791105
Status In Force
Filing Date 2022-04-13
First Publication Date 2022-10-20
Grant Date 2023-10-17
Owner TOKIN CORPORATION (Japan)
Inventor
  • Takata, Hitoshi
  • Ishijima, Masami
  • Abe, Satoshi
  • Saito, Kazuaki

Abstract

A solid electrolytic capacitor includes a capacitor element, an outer anode terminal, an outer cathode terminal and an outer mold. The capacitor element has an anode lead wire, an anode body and a cathode layer. The capacitor element has an upper surface and a lower surface in an up-down direction. The outer cathode terminal and the outer anode terminal are positioned away from each other in a predetermined direction perpendicular to the up-down direction. The outer cathode terminal has an upper portion, a lower portion and a connecting portion. One of the upper portion and the lower portion is longer than a remaining one of the upper portion and the lower portion in the predetermined direction. The outer mold covers the capacitor element so that each of the outer anode terminal and the outer cathode terminal is partially exposed to an outside of the solid electrolytic capacitor.

IPC Classes  ?

  • H01G 9/012 - Terminals specially adapted for solid capacitors
  • H01G 9/15 - Solid electrolytic capacitors
  • H01G 9/10 - Sealing, e.g. of lead-in wires

50.

POWDER MAGNETIC CORE, INDUCTOR, AND METHOD FOR MANUFACTURING POWDER MAGNETIC CORE

      
Application Number 17648502
Status Pending
Filing Date 2022-01-20
First Publication Date 2022-09-15
Owner TOKIN Corporation (Japan)
Inventor
  • Mikoshiba, Shun
  • Shima, Hiroshi
  • Yamaki, Makoto
  • Onishi, Naoto
  • Kobayashi, Kenichiro
  • Urata, Akiri

Abstract

A powder magnetic core capable of achieving a low loss in a high frequency range while reducing the size thereof is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and the percentage of parts of the binder layer having thicknesses of 20 nm or smaller in the binder layer that is present between particles of the magnetic powder is equal to or smaller than 6% (not including 0%).

IPC Classes  ?

  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 27/255 - Magnetic cores made from particles

51.

MAGNETIC SHEET

      
Application Number 17682380
Status Pending
Filing Date 2022-02-28
First Publication Date 2022-09-08
Owner TOKIN CORPORATION (Japan)
Inventor
  • Omiya, Tadashi
  • Abe, Masakazu

Abstract

A magnetic sheet is used as a noise reduction member for a cable. The magnetic sheet has a width of 5 mm to 15 mm. The magnetic sheet has a magnetic layer and a protective layer. The magnetic layer comprises soft-magnetic particles and a binder. Each of the soft-magnetic particles has a flat shape. A content of the soft-magnetic particles in the magnetic layer is from 35 vol % to 40 vol % with respect to the overall volume of the magnetic layer. The binder is made of polyacrylic rubber or of mixture of polyacrylic rubber and nitrile rubber. The binder binds the soft-magnetic particles to each other. A content of the binder in the magnetic layer is from 35 vol % to 65 vol % with respect to the overall volume of the magnetic layer. The protective layer reinforces the magnetic layer.

IPC Classes  ?

  • H01F 27/36 - Electric or magnetic shields or screens
  • H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
  • H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
  • H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent

52.

COIL COMPONENT

      
Application Number JP2021005880
Publication Number 2022/176053
Status In Force
Filing Date 2021-02-17
Publication Date 2022-08-25
Owner
  • TOKIN CORPORATION (Japan)
  • MITSUBISHI ELECTRIC CORPORATION (Japan)
Inventor
  • Sobashima Takashi
  • Akaki Keisuke
  • Endou Takuya
  • Abe Yuki
  • Kondo Masahiro
  • Hoshi Norimitsu
  • Kawamura Mao
  • Tanabe Hayato
  • Uehara Naohisa

Abstract

This coil component 10 comprises a coil 200, a first core 32 having a first magnetic permeability, and a second core 34 which has a second magnetic permeability that is lower than the first magnetic permeability. The first core 32 is a pressed powder core. The first core 32 and the second core 34 form a magnetic path in which a magnetic flux circulates. In a plane including the magnetic path, the coil 200 forms two or more winding windows. In the same plane, the first core 32 is in contact with the entirety of one side that extends in a second direction of each of the winding windows, and protrudes from both ends of the one side in at least one of the winding windows. In the same plane, the second core 34 is in contact with three sides other than the one side of each of the winding windows. The surface resistance between two points, which are spaced apart by 20 mm in the first core, is 5 Ω or greater after a high-temperature storage test is performed. The driving frequency of the coil component 10 is 20 kHz or higher.

IPC Classes  ?

53.

PERMANENT MAGNET, METHOD FOR MANUFACTURING SAME, AND DEVICE

      
Application Number JP2021045177
Publication Number 2022/124344
Status In Force
Filing Date 2021-12-08
Publication Date 2022-06-16
Owner TOKIN CORPORATION (Japan)
Inventor Makuta Hirokazu

Abstract

1-xxa1-yybcc. Wherein, in formula (1), R represents at least one selected from rare earth elements, T represents at least one selected from the group consisting of Fe, Co, and Ni, M represents at least one selected from the group consisting of Al, Si, Ti, V, Cr, Mn, Cu, Hf, Nb, Mo, Ta, and W, and a, b, and c represent atomic percentages and x and y represent respective proportions of Zr and M, and are numbers that respectively satisfy formulae: 5≤a≤12, b=100-(a+c), 0.1≤c≤20, 0.01≤x≤0.5, and 0.01≤y≤0.5.

IPC Classes  ?

  • C22C 19/03 - Alloys based on nickel or cobalt based on nickel
  • C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/053 - Alloys characterised by their composition containing rare earth metals

54.

Method of manufacturing magnetic member and the magnetic member

      
Application Number 17533485
Grant Number 12033793
Status In Force
Filing Date 2021-11-23
First Publication Date 2022-06-02
Grant Date 2024-07-09
Owner TOKIN CORPORATION (Japan)
Inventor
  • Omiya, Tadashi
  • Abe, Masakazu

Abstract

A method of manufacturing a magnetic member comprises preparing a base member, which have a front surface and a back surface, and wherein an anchor coat layer is formed on the front surface, and forming a composite magnetic layer on the anchor coat layer.

IPC Classes  ?

  • H01F 41/32 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

55.

MAGNETIC BODY AND MAGNETIC ELEMENT

      
Application Number JP2021026558
Publication Number 2022/113419
Status In Force
Filing Date 2021-07-15
Publication Date 2022-06-02
Owner TOKIN CORPORATION (Japan)
Inventor
  • Matsuzawa Satoru
  • Oshima Akiko
  • Okamoto Koichi

Abstract

The present invention provides a magnetic body and a magnetic element having excellent heat resistance for use in a 180˚ C high-temperature environment. A magnetic body according to an embodiment of the present invention comprises iron alloy powder having an inorganic insulating layer on the surface and a cured resin material, and contains 4 to 10 mass parts of Si in 100 mass parts of the iron alloy powder.

IPC Classes  ?

  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 1/147 - Alloys characterised by their composition
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • H01F 27/255 - Magnetic cores made from particles
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties

56.

ELECTRIC CURRENT SENSOR

      
Application Number JP2021039298
Publication Number 2022/092027
Status In Force
Filing Date 2021-10-25
Publication Date 2022-05-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Saito Gota
  • Saito Masuto
  • Yoshinari Tetsuya
  • Niiyama Noritaka

Abstract

This electric current sensor is provided with an upper shield case, a lower shield case, a press fitting member, and an inner member. The upper shield case has, at least, an upper surface, and an upper outer peripheral portion. The upper outer peripheral portion extends downward, in the vertical direction, from the outer edge of the upper surface. The lower shield case has, at least, a lower surface, and a lower outer peripheral portion. The lower outer peripheral portion extends upward, in the vertical direction, from the outer edge of the lower surface. The upper shield case and the lower shield case constitute an accommodating portion. The press fitting member has a main portion. The main portion presses both the upper outer peripheral portion and the lower outer peripheral portion outward in a horizontal plane orthogonal to the vertical direction, thereby integrally fixing the upper shield case and the lower shield case together.

IPC Classes  ?

  • G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
  • H01F 38/30 - Constructions

57.

MnZn-BASED FERRITE

      
Application Number JP2021029889
Publication Number 2022/085281
Status In Force
Filing Date 2021-08-16
Publication Date 2022-04-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Misumi Shota
  • Chiba Tatsuya
  • Murai Kenichi

Abstract

23232322 and CaO are contained as auxiliary components in amounts of 0.9 to 2.0% by mass, 0.005 to 0.06% by mass and 0.01 to 0.06% by mass, respectively, per 100 mass% of the main components.

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites

58.

REACTOR

      
Application Number JP2021032195
Publication Number 2022/085311
Status In Force
Filing Date 2021-09-01
Publication Date 2022-04-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Tamashiro Katsuaki
  • Nitobe Yuji
  • Kondo Masahiro
  • Hoshi Norimitsu
  • Hayasaka Hideaki

Abstract

This reactor 10 comprises a coil 20 having a winding part 22, a holding member 40, and a magnetic core 60. The winding part 22 is partially buried inside the holding member 40, and has an upper exposed part 32 and a lower exposed part exposed from the holding member 40 in the vertical direction (Z direction). The upper exposed part 32 has an upper curved surface part 324. The upper curved surface part 324 is exposed from the holding member 40 at both sides in the horizontal direction (Y direction). The magnetic core 60 has two outer legs 66. The winding part 22 is positioned between the two outer legs 66 in the horizontal direction. The holding member 40 has two side walls 44 corresponding to each of the outer legs 66. Each of the side walls 44 is positioned between the corresponding outer leg 66 and the winding part 22 in the horizontal direction.

IPC Classes  ?

  • H01F 37/00 - Fixed inductances not covered by group
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances

59.

MnZn-BASED FERRITE AND METHOD OF MANUFACTURING SAME

      
Application Number JP2021029890
Publication Number 2022/070634
Status In Force
Filing Date 2021-08-16
Publication Date 2022-04-07
Owner TOKIN CORPORATION (Japan)
Inventor Misumi Shota

Abstract

232322322 as auxiliary component, and has an average crystal size of 4 μm or less and a sintered density of 4.8 g/cm3 or more.

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
  • H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites

60.

POWDER MAGNETIC CORE PRODUCTION METHOD AND POWDER MAGNETIC CORE

      
Application Number JP2021035565
Publication Number 2022/071290
Status In Force
Filing Date 2021-09-28
Publication Date 2022-04-07
Owner TOKIN CORPORATION (Japan)
Inventor
  • Yamaki Makoto
  • Onishi Naoto
  • Urata Akiri

Abstract

This powder magnetic core is produced by applying pressure to magnetic powder in a mold while heating same at a prescribed temperature. The magnetic powder has at least a portion thereof covered with a covering agent. The mold comprises a die, an upper punch, and a lower punch. The upper punch is positioned vertically above the lower punch. The mold is provided with a low-temperature section and a high-temperature section. The temperature in the low-temperature section is lower by at least 10°C than that in the high-temperature section.

IPC Classes  ?

  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • B30B 11/02 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using a ram exerting pressure on the material in a moulding space
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • B22F 3/14 - Both compacting and sintering simultaneously
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties

61.

Method of manufacturing circuit board and circuit board

      
Application Number 17207456
Grant Number 11553603
Status In Force
Filing Date 2021-03-19
First Publication Date 2022-01-20
Grant Date 2023-01-10
Owner TOKIN CORPORATION (Japan)
Inventor Shima, Hiroshi

Abstract

A method includes preparing a first substrate member in which a cavity is formed. Moreover, the method includes preparing a magnetic member having a plurality of magnetic pieces. The magnetic member is placed in the cavity, and the second substrate member is placed on the first substrate member to close the cavity. The cavity is defined at least in part by a pair of wall surfaces facing each other in a lateral direction and opens upward in an up-down direction perpendicular to the lateral direction. The magnetic pieces are coupled with each other by positioning members so as to be arranged at regular intervals in a predetermined direction. The placing of the magnetic member in the cavity is carried out so that the predetermined direction coincides with the lateral direction or a front-rear direction perpendicular to both of the lateral direction and the up-down direction.

IPC Classes  ?

  • H05K 1/18 - Printed circuits structurally associated with non-printed electric components
  • H05K 3/46 - Manufacturing multi-layer circuits
  • H05K 1/02 - Printed circuits Details

62.

RARE-EARTH COBALT PERMANENT MAGNET, MANUFACTURING METHOD THEREFOR, AND DEVICE

      
Application Number 17160025
Status Pending
Filing Date 2021-01-27
First Publication Date 2021-08-12
Owner TOKIN CORPORATION (Japan)
Inventor
  • Machida, Hiroaki
  • Fujiwara, Teruhiko
  • Makuta, Hirokazu
  • Fujimoto, Chieko
  • Kanamori, Yu

Abstract

A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device including such a rare-earth cobalt permanent magnet are provided. A rare-earth cobalt permanent magnet consisting of 23 to 27 mass % of a rare-earth element R including Sm, 4.0 to 5.0 mass % of Cu, 22 to 27 mass % of Fe, 1.7 to 2.5 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a size of a cell structure constituting the crystal grain is 100 to 600 nm.

IPC Classes  ?

  • H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
  • C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
  • C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
  • B22F 3/24 - After-treatment of workpieces or articles
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • B22F 3/10 - Sintering only

63.

RARE-EARTH COBALT PERMANENT MAGNET, MANUFACTURING METHOD THEREFOR, AND DEVICE

      
Application Number 17146269
Status Pending
Filing Date 2021-01-11
First Publication Date 2021-08-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Makuta, Hirokazu
  • Machida, Hiroaki
  • Fujiwara, Teruhiko
  • Kanamori, Yu

Abstract

A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device are provided. A rare-earth cobalt permanent magnet consists of, when a rear-earth element including at least Sm is represented by R, 23 to 27 mass % of R, 1.0 to 5.0 mass % of Cu, 18 to 25 mass % of Fe, 1.5 to 3.0 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a concentration of Cu is at least two times a concentration of Zr in the grain boundary parts.

IPC Classes  ?

  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
  • H01F 7/02 - Permanent magnets

64.

Noise filter

      
Application Number 16595329
Grant Number 11190159
Status In Force
Filing Date 2019-10-07
First Publication Date 2021-04-08
Grant Date 2021-11-30
Owner TOKIN Corporation (Japan)
Inventor
  • Asano, Honoka
  • Sato, Shu
  • Nakano, Yuta

Abstract

A noise filter includes a metallic bottom plate, a case main body integrally formed with a terminal strip and attached to the bottom plate, and a capacitor including a terminal configured to be connected in the terminal strip. The noise filter further includes a capacitor housing part formed inside the terminal strip in the case main body, the capacitor housing part being configured to house the capacitor, and an inductor disposed on a top surface side of the case main body, the inductor comprising a terminal configured to be connected in the terminal strip. The capacitor housing part houses the capacitor, in a state where the capacitor is inclined with respect to the bottom plate, so that a lead part of the terminal of the capacitor is positioned on an upper end side of the capacitor in an inclination direction.

IPC Classes  ?

  • H03H 7/01 - Frequency selective two-port networks
  • H01F 27/24 - Magnetic cores
  • H01F 27/02 - Casings
  • H03H 1/00 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
  • H01G 2/10 - HousingEncapsulation
  • H01F 27/29 - TerminalsTapping arrangements
  • H01F 27/28 - CoilsWindingsConductive connections

65.

Method of manufacturing soft magnetic dust core

      
Application Number 17075693
Grant Number 12030122
Status In Force
Filing Date 2020-10-21
First Publication Date 2021-02-04
Grant Date 2024-07-09
Owner
  • TOKIN CORPORATION (Japan)
  • National Institute of Advanced Industrial Science and Technology (Japan)
Inventor
  • Nakamura, Naomichi
  • Nakaseko, Makoto
  • Takashita, Takuya
  • Muraki, Mineo
  • Terao, Hoshiaki
  • Wada, Raita
  • Urata, Akiri
  • Kanamori, Yu
  • Yamaki, Makoto
  • Okamoto, Koichi
  • Tsuda, Toshinori
  • Sato, Shoichi
  • Ozaki, Kimihiro

Abstract

x2 with the compacting pressure being applied.

IPC Classes  ?

  • B22F 3/14 - Both compacting and sintering simultaneously
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • B22F 1/08 - Metallic powder characterised by particles having an amorphous microstructure
  • B22F 1/102 - Metallic powder coated with organic material
  • B22F 1/16 - Metallic particles coated with a non-metal
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • B22F 3/02 - Compacting only
  • B22F 3/03 - Press-moulding apparatus therefor
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 27/255 - Magnetic cores made from particles

66.

Inductor

      
Application Number 16923156
Grant Number 12119163
Status In Force
Filing Date 2020-07-08
First Publication Date 2021-01-21
Grant Date 2024-10-15
Owner TOKIN CORPORATION (Japan)
Inventor Oka, Toshiaki

Abstract

An inductor comprises a core and a coil. The coil has a first terminal, a second terminal, a first portion, a second portion, a third portion, a first coupling portion, a second coupling portion, a first extending portion and a second extending portion. Each of the first portion and the second portion is positioned apart from a first edge of the core. Each of the first portion and the second portion is parallel to the first edge. Each of the first portion and the second portion is positioned apart from the third portion in a first horizontal direction. The third portion is positioned apart from a second edge of the core. The third portion is parallel to the second edge. The first extending portion couples the first portion and the third portion with each other. The second extending portion couples the second portion and the third portion with each other.

IPC Classes  ?

67.

Inductor

      
Application Number 29657793
Grant Number D0906965
Status In Force
Filing Date 2018-07-25
First Publication Date 2021-01-05
Grant Date 2021-01-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Oka, Toshiaki
  • Aizawa, Takanori

68.

Composite magnetic material, electrical and electronic device, and method of manufacturing composite magnetic material

      
Application Number 16888888
Grant Number 12226830
Status In Force
Filing Date 2020-06-01
First Publication Date 2020-12-10
Grant Date 2025-02-18
Owner TOKIN CORPORATION (Japan)
Inventor
  • Ito, Tetsuo
  • Abe, Masakazu

Abstract

A composite magnetic material comprises spherical soft magnetic metal powder incorporated in the composite magnetic material in a dispersed manner, a flame retardant incorporated in the composite magnetic material in a dispersed manner; and a binder configured to bind the soft magnetic metal powder and the flame retardant. The composite magnetic material is formed and processed into a sheet shape. The composite magnetic material has a volume occupancy of the soft magnetic metal powder of 45 vol % or more and 68 vol % or less.

IPC Classes  ?

  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B22F 1/065 - Spherical particles
  • B22F 1/102 - Metallic powder coated with organic material
  • B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
  • H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

69.

RARE-EARTH COBALT PERMANENT MAGNET, METHOD OF MANUFACTURING THE SAME, AND DEVICE

      
Application Number 16874566
Status Pending
Filing Date 2020-05-14
First Publication Date 2020-11-19
Owner TOKIN CORPORATION (Japan)
Inventor
  • Takezawa, Masaaki
  • Machida, Hiroaki
  • Fujiwara, Teruhiko
  • Kanamori, Yu

Abstract

A rare-earth cobalt permanent magnet according to the present disclosure comprises: 24 to 26 mass % of a rare-earth element R including Sm; 25 to 27 mass % of Fe; 4.0 to 7.0 mass % of Cu; 2.0 to 3.5 mass % of Zr; and Co and an unavoidable impurity as a remainder. The rare-earth element R is any one of a combination of Sm and Nd, a combination of Sm and Pr, or a combination of Sm, Nd, and Pr. The rare-earth cobalt permanent magnet includes a cell phase that includes a crystalline phase of a Th2Zn17 structure and a cell wall that includes a crystalline phase of an RCo5 structure enclosing the cell phase, and the concentration of the rare-earth element R in the cell wall is higher than the concentration of the rare-earth element R in the cell phase by no less than 25 atomic %.

IPC Classes  ?

  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
  • B22F 3/24 - After-treatment of workpieces or articles

70.

Rare earth cobalt-based permanent magnet

      
Application Number 15761413
Grant Number 11380465
Status In Force
Filing Date 2016-10-07
First Publication Date 2020-07-30
Grant Date 2022-07-05
Owner TOKIN CORPORATION (Japan)
Inventor
  • Takezawa, Masaaki
  • Fujiwara, Teruhiko
  • Machida, Hiroaki
  • Yoshikawa, Hideyuki

Abstract

A rare-earth cobalt permanent magnet with good magnetic properties is provided. A rare-earth cobalt permanent magnet contains 23 to 27 mass % R, 3.5 to 5.0 mass % Cu, 18 to 25 mass % Fe, 1.5 to 3.0 mass % Zr in mass and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare-earth cobalt permanent magnet has a metal structure including a plurality of crystal grains and a continuously extending grain boundary. A content of Cu in the grain boundary is higher than a content of Cu in the crystal grains, and a content of Zr in the grain boundary is higher than a content of Zr in the crystal grains.

IPC Classes  ?

  • H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
  • C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
  • B22F 3/24 - After-treatment of workpieces or articles
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material

71.

Method for manufacturing a powder core, the powder core and an inductor

      
Application Number 16651131
Grant Number 11996224
Status In Force
Filing Date 2018-09-21
First Publication Date 2020-07-30
Grant Date 2024-05-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chiba, Miho
  • Urata, Akiri

Abstract

This method for manufacturing a powder core is provided with: a step for heat-treating amorphous soft magnetic alloy powder to obtain nanocrystal powder; a step for obtaining granulated powder from nanocrystal powder, malleable powder, and a binder; a step for pressure-molding the granulated powder to obtain a green compact; a step for curing the binder by heat-treating the green compact at a temperature which is equal to or higher than the curing initiation temperature of the binder and lower than the crystallization initiation temperature of the amorphous soft magnetic alloy powder.

IPC Classes  ?

  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • B22F 1/054 - Nanosized particles
  • B22F 1/07 - Metallic powder characterised by particles having a nanoscale microstructure
  • B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
  • B22F 3/02 - Compacting only
  • B22F 3/24 - After-treatment of workpieces or articles
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated

72.

Magnetic core, inductor and module including inductor

      
Application Number 16705053
Grant Number 11610710
Status In Force
Filing Date 2019-12-05
First Publication Date 2020-04-09
Grant Date 2023-03-21
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chatani, Kenichi
  • Ikeda, Kenji
  • Tsuda, Toshinori

Abstract

A module includes a circuit board and an inductor. The circuit board has a facing surface and a rear surface which are located at opposite sides to each other in an up-down direction. The inductor has a magnetic core and a coil. The magnetic core is made of a soft magnetic metal material. The magnetic core has a facing surface and a radiating surface which are located at opposite sides to each other in the up-down direction. The facing surface of the magnetic core is arranged to face the facing surface of the circuit board in the up-down direction. The radiating surface of the magnetic core is arranged to be radiatable heat outward. The coil has a coil portion and a connection end. The coil portion winds, at least in part, the magnetic core. The connection end is connected to the facing surface of the circuit board.

IPC Classes  ?

  • H01F 17/00 - Fixed inductances of the signal type
  • H01F 1/147 - Alloys characterised by their composition
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 27/22 - Cooling by heat conduction through solid or powdered fillings
  • B22F 3/11 - Making porous workpieces or articles

73.

VEHICULAR GLASS MODULE

      
Application Number JP2019028237
Publication Number 2020/059275
Status In Force
Filing Date 2019-07-18
Publication Date 2020-03-26
Owner
  • NIPPON SHEET GLASS CO., LTD. (Japan)
  • TOKIN CORPORATION (Japan)
Inventor
  • Tsurume Yoshinobu
  • Morishita Hiromasa
  • Nakano Yuta

Abstract

A vehicular glass module (1) that includes vehicular window glass (2) on which a conductive pattern (4) is formed and an on-glass connector (3) that is attached to the vehicular window glass (2). The on-glass connector (3) has a hollow part (11) and a circuit board (6) that is arranged inside the hollow part (11). The hollow part (11) communicates with the outside of a case (5) via a through hole (15) that is provided in a partition wall (14) that defines a portion of the hollow part (11). The through hole (15) is positioned below the circuit board (6). Water that condenses inside the hollow part (11) is discharged to the outside via the through hole (15).

IPC Classes  ?

  • H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01R 4/02 - Soldered or welded connections

74.

SOFT MAGNETIC POWDER, FE-BASED NANO-CRYSTAL ALLOY POWDER, MAGNETIC MEMBER, AND DUST CORE

      
Application Number JP2019029302
Publication Number 2020/026949
Status In Force
Filing Date 2019-07-25
Publication Date 2020-02-06
Owner
  • JFE STEEL CORPORATION (Japan)
  • TOKIN CORPORATION (Japan)
Inventor
  • Yamamoto Naoki
  • Takashita Takuya
  • Nakaseko Makoto
  • Kobayashi Akio
  • Urata Akiri
  • Chiba Miho

Abstract

abcdeff excluding unavoidable impurities, wherein, in the compositional formula, M represents at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O and N, the requirements represented by the formulae: 79 at% ≦ a ≦ 84.5 at%, 0 at% ≦ b < 6 at%, 0 at% < c ≦ 10 at%, 4 at% < d ≦ 11 at%, 0.2 at% ≦ e ≦ 0.53 at%, 0 at% ≦ f ≦ 4 at%, and a + b + c + d + e + f = 100 at% are satisfied, the particle diameters are 1 mm or smaller, and the median of the degrees of circularity of particles constituting the soft magnetic powder is 0.4 to 1.0 inclusive.

IPC Classes  ?

  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
  • H01F 27/255 - Magnetic cores made from particles

75.

Solid electrolytic capacitor and method of manufacturing solid electrolytic capacitor

      
Application Number 16210416
Grant Number 10998138
Status In Force
Filing Date 2018-12-05
First Publication Date 2019-12-26
Grant Date 2021-05-04
Owner TOKIN CORPORATION (Japan)
Inventor
  • Takahashi, Masanori
  • Iwai, Satoshi
  • Hoshina, Yusuke

Abstract

A solid electrolytic capacitor according to the present disclosure includes an anode body made of a porous valve metal, a dielectric layer formed on a surface of the anode body, and a solid electrolyte layer formed on the dielectric layer. A carboxylic acid ester is filled in at least part of cavities inside the solid electrolyte layer. By the solid electrolytic capacitor according to the present disclosure, it is possible to provide a solid electrolytic capacitor capable of suppressing an increase in ESR and an increase in leakage current.

IPC Classes  ?

  • H01G 9/15 - Solid electrolytic capacitors
  • H01G 9/07 - Dielectric layers
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture
  • H01G 9/042 - Electrodes characterised by the material
  • H01G 9/025 - Solid electrolytes

76.

Soft magnetic powder, Fe-based nanocrystalline alloy powder, magnetic component and dust core

      
Application Number 16481449
Grant Number 11814707
Status In Force
Filing Date 2018-01-26
First Publication Date 2019-11-28
Grant Date 2023-11-14
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata, Akiri
  • Chiba, Miho
  • Muraki, Mineo
  • Nakaseko, Makoto
  • Takashita, Takuya

Abstract

e with the exception of unavoidable impurities. In the composition formula, a, b, c, d and e satisfy 79≤a≤84.5 at %, 0≤b<6 at %, 4≤c≤10 at %, 4

IPC Classes  ?

  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 33/02 - Making ferrous alloys by powder metallurgy
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
  • C22C 38/14 - Ferrous alloys, e.g. steel alloys containing titanium or zirconium
  • C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 1/147 - Alloys characterised by their composition
  • B22F 1/08 - Metallic powder characterised by particles having an amorphous microstructure
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals

77.

Electrolytic capacitor and method for manufacturing electrolytic capacitor

      
Application Number 16054554
Grant Number 10998137
Status In Force
Filing Date 2018-08-03
First Publication Date 2019-10-31
Grant Date 2021-05-04
Owner TOKIN CORPORATION (Japan)
Inventor
  • Sugawara, Yasuhisa
  • Ishijima, Masami
  • Araki, Kenji

Abstract

An electrolytic capacitor according to an aspect of the present disclosure includes a valve metal, a dielectric oxide film layer formed on a surface of the valve metal, a surface treatment agent layer formed on the dielectric oxide film layer, and an electrolyte layer formed on the surface treatment agent layer. The electrolyte layer includes a conductive polymer layer and an ionic liquid. For example, the conductive polymer layer is formed so that the conductive polymer layer is in contact with the surface treatment agent layer, and at least some of voids present in an interface between the conductive polymer layer and the surface treatment agent layer are filled with the ionic liquid.

IPC Classes  ?

  • H01G 9/07 - Dielectric layers
  • H01G 9/04 - Electrodes
  • H01G 9/10 - Sealing, e.g. of lead-in wires
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture
  • H01G 9/035 - Liquid electrolytes, e.g. impregnating materials

78.

Laminated substrate and manufacturing method of the same

      
Application Number 16247153
Grant Number 11383487
Status In Force
Filing Date 2019-01-14
First Publication Date 2019-07-25
Grant Date 2022-07-12
Owner TOKIN CORPORATION (Japan)
Inventor
  • Shima, Hiroshi
  • Mikoshiba, Shun
  • Chatani, Kenichi

Abstract

A laminated substrate includes an upper prepreg cured body, a lower prepreg cured body and a magnetic member. The magnetic member is sandwiched between the upper prepreg cured body and the lower prepreg cured body in an up-down direction. The upper prepreg cured body is directly coupled to the lower prepreg cured body all over a predetermined area surrounding the magnetic member in a plane perpendicular to the up-down direction. The magnetic member is formed by binding soft magnetic metal powder using a binder. The soft magnetic metal powder consists of particles each of which has a flat shape. The binder comprises inorganic oxide as a chief ingredient. The magnetic member includes the soft magnetic metal powder of 60 vol. % or more and open pores of 10 vol. % or more and 30 vol. % or less. The magnetic member has a thickness of 0.3 mm or less.

IPC Classes  ?

  • B32B 7/025 - Electric or magnetic properties
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 27/26 - Fastening parts of the core togetherFastening or mounting the core on casing or support
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances

79.

Reactor and step-up circuit

      
Application Number 16232742
Grant Number 10546682
Status In Force
Filing Date 2018-12-26
First Publication Date 2019-07-18
Grant Date 2020-01-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Abe, Yuki
  • Yanbe, Takashi
  • Kondo, Masahiro
  • Endou, Takuya
  • Akaki, Keisuke

Abstract

A reactor comprises a first coil, a second coil and a core. Each of the first coil and the second coil is embedded in the core. The core has an outer core part, an inner core part, an upper core part, a lower core part and a middle core part. The upper core part is positioned above an upper end of a cross-section of the first coil in an up-down direction. The lower core part is positioned below a lower end of a cross-section of a second coil in the up-down direction. The core is made of a first member and a second member. The second member has a relative permeability which is greater than a relative permeability of the first member. Each of the upper core part and the lower core part is made of the second member.

IPC Classes  ?

  • H01F 27/24 - Magnetic cores
  • H01F 27/28 - CoilsWindingsConductive connections
  • H01F 27/02 - Casings
  • G05F 3/22 - Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode-transistor combinations wherein the transistors are of the bipolar type only

80.

Compound line filter

      
Application Number 16311658
Grant Number 11328864
Status In Force
Filing Date 2017-06-22
First Publication Date 2019-06-27
Grant Date 2022-05-10
Owner TOKIN CORPORATION (Japan)
Inventor
  • Huang, Jie
  • Itaya, Michitaka
  • Sugawara, Kazuya
  • Misumi, Shota
  • Nagayama, Yuichirou
  • Yamauchi, Yukiyasu

Abstract

A compound line filter includes a bobbin, two coils and a magnetic core. The coils are wound on the bobbin in a state of being separated from each other in an axial direction. The magnetic core includes a closed magnetic path part and a secondary magnetic path part. The bobbin is attached to the closed magnetic path part. The secondary magnetic path part extends from the closed magnetic path part in a direction intersecting with the axial direction and is positioned between the coils in the axial direction. The bobbin includes at least one gear, and the gear is positioned between the coils in the axial direction.

IPC Classes  ?

  • H01F 27/32 - Insulating of coils, windings, or parts thereof
  • H01F 41/06 - Coil winding
  • H01F 37/00 - Fixed inductances not covered by group
  • H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • H01F 27/28 - CoilsWindingsConductive connections

81.

Soft magnetic powder, dust core, magnetic compound and method of manufacturing dust core

      
Application Number 16089334
Grant Number 10847291
Status In Force
Filing Date 2018-02-06
First Publication Date 2019-05-23
Grant Date 2020-11-24
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata, Akiri
  • Chiba, Miho

Abstract

f except for inevitable impurities, wherein: M is one or more element selected from V, Mn, Co, Ni, Cu and Zn; 0 atomic %≤b≤6 atomic %; 4 atomic %≤c≤10 atomic %; 5 atomic %≤d≤12 atomic %; 0 atomic %

IPC Classes  ?

  • C22C 38/20 - Ferrous alloys, e.g. steel alloys containing chromium with copper
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 1/147 - Alloys characterised by their composition
  • C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 27/255 - Magnetic cores made from particles
  • C22C 38/32 - Ferrous alloys, e.g. steel alloys containing chromium with boron
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/60 - Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
  • B22F 3/24 - After-treatment of workpieces or articles
  • C22C 38/28 - Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
  • H01F 27/28 - CoilsWindingsConductive connections
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 27/24 - Magnetic cores
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 27/29 - TerminalsTapping arrangements

82.

METHOD FOR MANUFACTURING POWDER MAGNETIC CORE, POWDER MAGNETIC CORE, AND INDUCTOR

      
Application Number JP2018035066
Publication Number 2019/065500
Status In Force
Filing Date 2018-09-21
Publication Date 2019-04-04
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chiba Miho
  • Urata Akiri

Abstract

This method for manufacturing a powder magnetic core is provided with: a step for heat-treating amorphous soft magnetic alloy powder to obtain nanocrystal powder; a step for obtaining granulated powder from nanocrystal powder, malleable powder, and a binder; a step for pressure-molding the granulated powder to obtain a green compact; a step for curing the binder by heat-treating the green compact at a temperature which is equal to or higher than the curing initiation temperature of the binder and lower than the crystallization initiation temperature of the amorphous soft magnetic alloy powder.

IPC Classes  ?

  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 17/04 - Fixed inductances of the signal type with magnetic core

83.

Sheet-shaped inductor, inductor within laminated substrate, and method for manufacturing said inductors

      
Application Number 16132356
Grant Number 10943725
Status In Force
Filing Date 2018-09-14
First Publication Date 2019-02-07
Grant Date 2021-03-09
Owner TOKIN CORPORATION (Japan)
Inventor
  • Chatani, Kenichi
  • Yamamoto, Naoharu
  • Yoshida, Shigeyoshi

Abstract

A laminated substrate embedded type inductor includes a laminated resin substrate in which a pair of first resin substrates are laminated, a sheet-shaped magnetic core placed in the laminated resin substrate, via holes provided so as to pass through the laminated resin substrate, and a coil formed via the via holes. The laminated resin substrate contains an adhesive component, wherein the sheet-shaped magnetic core is a molded body obtained by forming a soft magnetic flat metal powder into a flat plate, the soft magnetic flat metal powder is oriented in a plane of the flat plate, and a generated magnetic flux of the coil circulates in the plane of the flat plate, and wherein the magnetic core is integrated with the laminated resin substrate so that the adhesive component is impregnated in pores of the magnetic core.

IPC Classes  ?

  • H01F 27/24 - Magnetic cores
  • H01F 27/245 - Magnetic cores made from sheets, e.g. grain-oriented
  • H01F 17/00 - Fixed inductances of the signal type
  • H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
  • H01F 27/255 - Magnetic cores made from particles
  • H01F 27/28 - CoilsWindingsConductive connections
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • H01F 41/06 - Coil winding
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances

84.

Composite magnetic material and method for manufacturing same

      
Application Number 16074424
Grant Number 11756714
Status In Force
Filing Date 2016-04-28
First Publication Date 2019-01-31
Grant Date 2023-09-12
Owner TOKIN CORPORATION (Japan)
Inventor Igarashi, Toshiyuki

Abstract

Provided is a composite magnetic material in which low electrical conductivity and high magnetic permeability are achieved, and in which a frequency band in which decoupling is caused encompasses higher frequencies. The composite magnetic material comprises a flat soft magnetic metal powder; insulating particles which are smaller than an average thickness of the soft magnetic metal powder and which are disposed on a surface of the soft magnetic metal powder; and an organic binder material which retains the soft magnetic metal powder and the insulating particles in a dispersed manner. In a cross section in a thickness direction of the soft magnetic metal powder, there is at least one insulating particle per a length of 0.2 μm of the soft magnetic metal powder surface.

IPC Classes  ?

  • H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • B22F 1/16 - Metallic particles coated with a non-metal
  • B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
  • B22F 1/068 - Flake-like particles
  • B22F 1/103 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
  • B22F 1/102 - Metallic powder coated with organic material
  • H01F 1/147 - Alloys characterised by their composition
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

85.

Coil component

      
Application Number 15750486
Grant Number 10811179
Status In Force
Filing Date 2016-08-05
First Publication Date 2019-01-17
Grant Date 2020-10-20
Owner TOKIN CORPORATION (Japan)
Inventor
  • Abe, Yuki
  • Yanbe, Takashi
  • Endou, Takuya
  • Oikawa, Hidehiko
  • Kondo, Masahiro
  • Akaki, Keisuke

Abstract

A coil component includes a coil having inner and outer circumferential surfaces, a pair of end surfaces, and a core surrounding at least a part of a periphery of the core. A cross section is where the coil component is cut by a plane, when each of coil sections is divided into eight regions by four straight lines extending along the inner circumferential surface, the outer circumferential surface and the end surfaces. In the cross section, first core members positioned at four corner regions, second core members positioned at an inner side of the inner circumferential surface and an outer side of the outer circumferential surface, and third core members, positioned at outer sides of the end surfaces form the core. At least one of the second and third core members has a magnetic permeability lower than that of the first core member in a zero magnetic field.

IPC Classes  ?

  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • H01F 3/10 - Composite arrangements of magnetic circuits
  • H01F 27/24 - Magnetic cores
  • H01F 37/00 - Fixed inductances not covered by group
  • H01F 1/14 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
  • H01F 3/08 - Cores, yokes or armatures made from powder
  • H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
  • H01F 3/14 - ConstrictionsGaps, e.g. air-gaps

86.

Inductive element and LC filter

      
Application Number 16013207
Grant Number 11056262
Status In Force
Filing Date 2018-06-20
First Publication Date 2019-01-03
Grant Date 2021-07-06
Owner TOKIN CORPORATION (Japan)
Inventor
  • Itaya, Michitaka
  • Oka, Toshiaki
  • Harada, Koki
  • Yamauchi, Yukiyasu
  • Terui, Takuma
  • Harasawa, Takeshi
  • Naito, Atsushi
  • Yashiro, Keiji
  • Shiraishi, Kazuhiro

Abstract

The present disclosure provides an inductive element capable of lowering a Q-value. An inductive element includes a first cover and a second cover covering an annular core, and a first winding and a second winding wound around a region of the core, the first cover and the second cover. The first cover covers a part of an inner circumferential surface of the core, a part of an outer circumferential surface and an end surface on one end side in an axial direction. The second cover covers a part of the inner circumferential surface of the core, a part of the outer circumferential surface an end surface on the other end side in the axial direction.

IPC Classes  ?

  • H01F 17/06 - Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
  • H05K 1/02 - Printed circuits Details
  • H03H 7/01 - Frequency selective two-port networks
  • H01F 5/04 - Arrangements of electric connections to coils, e.g. leads
  • H03H 7/09 - Filters comprising mutual inductance
  • H01F 27/32 - Insulating of coils, windings, or parts thereof
  • H01F 27/02 - Casings
  • H01F 27/28 - CoilsWindingsConductive connections
  • H03H 1/00 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
  • H03H 7/42 - Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns

87.

Electronic device and method for disposing electromagnetic interference suppressor

      
Application Number 16065790
Grant Number 10729044
Status In Force
Filing Date 2016-05-26
First Publication Date 2019-01-03
Grant Date 2020-07-28
Owner TOKIN CORPORATION (Japan)
Inventor
  • Kondo, Koichi
  • Oka, Toshiaki
  • Ikeda, Masashi
  • Igarashi, Toshiyuki

Abstract

An electromagnetic interference suppressor is disposed so as to be effective for noise in a wide frequency band including a high frequency band. Provided is an electronic device including an electromagnetic interference suppressor; an interfering object configured to generate an electromagnetic wave; an interfered object to be affected by the electromagnetic wave; a substrate configured to mount thereon the interfering object and the interfered object; and the electromagnetic interference suppressor disposed in parallel to the substrate, and is disposed along only one of the interfering object and the interfered object. When an end portion of the interfering object opposed to the interfered object is defined as a first end portion, and an end portion of the interfered object opposed to the interfering object is defined as a second end portion, one end portion of the electromagnetic interference suppressor is disposed between the first end portion and the second end portion.

IPC Classes  ?

  • H01L 23/552 - Protection against radiation, e.g. light
  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H05K 1/02 - Printed circuits Details
  • H01L 23/053 - ContainersSeals characterised by the shape the container being a hollow construction and having an insulating base as a mounting for the semiconductor body
  • H05K 1/14 - Structural association of two or more printed circuits

88.

FlakeComposite

      
Application Number 1441297
Status Registered
Filing Date 2018-10-04
Registration Date 2018-10-04
Owner TOKIN Corporation (Japan)
NICE Classes  ?
  • 06 - Common metals and ores; objects made of metal
  • 09 - Scientific and electric apparatus and instruments

Goods & Services

Iron; steel; alloyed iron; iron, unwrought or semi-wrought; powder of iron alloys; silicon iron; aluminium; chromium; alloys of common metal. Electric reactors; antennas [aerials]; coils, electric; electromagnetic coils; choking coils [impedance]; magnetic coils; inductors [electricity]; printed circuit boards; mobile computers; computer memories; computer terminals; tablet computers; notebook computers; desktop computers; computer peripherals; electronic circuits; computer hardware; computers; computer software applications, downloadable; computer programs [downloadable software]; computer programs, recorded; magnetic cores; charging stations for electric vehicles; chargers for electric batteries; battery chargers; transformers [electricity]; apparatus and instruments for regulating or controlling electric current; current transformers; distribution transformers; flyback transformers; loudspeakers; electrical transformers [for telecommunication apparatus]; microphones [for telecommunication apparatus]; parts and accessories for telecommunication apparatus.

89.

Device including a transmission line

      
Application Number 15895264
Grant Number 10524399
Status In Force
Filing Date 2018-02-13
First Publication Date 2018-09-06
Grant Date 2019-12-31
Owner TOKIN CORPORATION (Japan)
Inventor
  • Kurimoto, Masaki
  • Kondo, Koichi
  • Ikeda, Masashi

Abstract

A device is provided with a PWM signal generating circuit, a gate driver and a transmission line connecting them. The transmission line transmits a PWM signal output from the PWM generator as an input signal for the gate driver. A noise suppression member is provided to at least a part of a periphery of the transmission line. The noise suppression member has a structure that magnetic powder is dispersed in a binder and has an imaginary part μ″ of a complex magnetic permeability that is greater than or equal to 5 and smaller than or equal to 30 in a range of 500 MHz to 3 GHz. The noise suppression member has a thickness t greater than or equal to 20 μm. The noise suppression member is disposed apart from a conducting wire of the transmission line by a distance greater than 0.05 mm or smaller than or equal to 5 mm.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • H01B 7/04 - Flexible cables, conductors, or cords, e.g. trailing cables
  • H01B 7/00 - Insulated conductors or cables characterised by their form
  • H01B 11/06 - Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
  • H01B 7/08 - Flat or ribbon cables

90.

SOFT MAGNETIC POWDER, DUST MAGNETIC CORE, MAGNETIC PART, AND METHOD FOR PRODUCING DUST MAGNETIC CORE

      
Application Number JP2018004021
Publication Number 2018/150952
Status In Force
Filing Date 2018-02-06
Publication Date 2018-08-23
Owner TOKIN CORPORATION (Japan)
Inventor
  • Urata, Akiri
  • Chiba, Miho

Abstract

A soft magnetic powder is represented by the chemical composition formula FeaSibBcPdCreMf with the remainder made up by unavoidable impurities. In the chemical composition formula, M represents at least one element selected from V, Mn, Co, Ni, Cu and Zn; 0 at% ≤ b ≤ 6 at%; 4 at% ≤ c ≤ 10 at%; 5 at% ≤ d ≤ 12 at%; 0 at% < e; 0.4 at% ≤ f < 6 at%; and a + b + c + d + e + f = 100 at%.

IPC Classes  ?

  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/24 - After-treatment of workpieces or articles
  • C21D 6/00 - Heat treatment of ferrous alloys
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 45/02 - Amorphous alloys with iron as the major constituent
  • H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
  • H01F 27/24 - Magnetic cores
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

91.

SOFT MAGNETIC POWDER, Fe-BASED NANOCRYSTALLINE ALLOY POWDER, MAGNETIC COMPONENT AND DUST CORE

      
Application Number JP2018002380
Publication Number 2018/139563
Status In Force
Filing Date 2018-01-26
Publication Date 2018-08-02
Owner
  • TOKIN CORPORATION (Japan)
  • JFE STEEL CORPORATION (Japan)
Inventor
  • Urata Akiri
  • Chiba Miho
  • Muraki Mineo
  • Nakaseko Makoto
  • Takashita Takuya

Abstract

This soft magnetic powder is represented by composition formula FeaSibBcPdCue with the exception of unavoidable impurities. In the composition formula, a, b, c, d and e satisfy 79 ≤ a ≤ 84.5 at%, 0 ≤ b < 6 at%, 4 ≤ c ≤ 10 at%, 4 < d ≤ 11 at%, 0.2 ≤ e < 0.4 at%, and a + b + c + d + e = 100 at%.

IPC Classes  ?

  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties

92.

Solid electrolytic capacitor

      
Application Number 15861523
Grant Number 10658120
Status In Force
Filing Date 2018-01-03
First Publication Date 2018-07-26
Grant Date 2020-05-19
Owner TOKIN CORPORATION (Japan)
Inventor
  • Saito, Kazuaki
  • Yoshida, Yuji
  • Araki, Kenji

Abstract

In a capacitor element of a solid electrolytic capacitor, a solid electrolytic layer has an edge portion near a root of a lead-out portion. An anode terminal is connected to the lead out portion at a position away from the root of the lead out portion. An ion trapping member includes a first resin and an ion trapping agent dispersed in the first resin. The ion trapping member covers the whole periphery of at least a part of the lead out portion directly or via the dielectric layer between the edge portion of the solid electrolytic layer and the anode terminal. An external insulation member includes a second resin having a high affinity for the first resin. The external insulation member envelops the capacitor element and covers at least a part of the ion trapping member, a part of the anode terminal and a part of a cathode terminal.

IPC Classes  ?

  • H01G 9/15 - Solid electrolytic capacitors
  • H01G 9/08 - HousingEncapsulation
  • H01G 9/025 - Solid electrolytes
  • H01G 9/10 - Sealing, e.g. of lead-in wires
  • H01G 9/07 - Dielectric layers
  • H01G 9/042 - Electrodes characterised by the material
  • H01G 9/052 - Sintered electrodes
  • H01G 9/012 - Terminals specially adapted for solid capacitors
  • H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture

93.

Flame-retardant composite magnetic body

      
Application Number 15743173
Grant Number 10829617
Status In Force
Filing Date 2016-07-06
First Publication Date 2018-07-19
Grant Date 2020-11-10
Owner TOKIN CORPORATION (Japan)
Inventor
  • Igarashi, Toshiyuki
  • Yoshida, Hiroyuki
  • Fuji, Masahiko
  • Abe, Masakazu

Abstract

(In the equations, PN denotes the mass % of the phosphazene compound in the composite magnetic body, RA denotes the mass % of the flame retardant auxiliary in the composite magnetic body, B denotes the mass % of the binder resin in the composite magnetic body, and P denotes the mass % of phosphorus in the composite magnetic body.) The composite magnetic body can impart high flame retardancy without losing performance such as magnetic permeability.

IPC Classes  ?

  • C08K 5/5399 - Phosphorus bound to nitrogen
  • H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
  • C08K 5/544 - Silicon-containing compounds containing nitrogen
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
  • C08K 3/08 - Metals
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 3/22 - OxidesHydroxides of metals
  • C08K 3/34 - Silicon-containing compounds
  • C08L 33/10 - Homopolymers or copolymers of methacrylic acid esters
  • C08L 101/08 - Carboxyl groups
  • C08K 5/00 - Use of organic ingredients
  • C08K 3/016 - Flame-proofing or flame-retarding additives
  • C08L 33/08 - Homopolymers or copolymers of acrylic acid esters

94.

TOKIN

      
Application Number 1402127
Status Registered
Filing Date 2017-12-14
Registration Date 2017-12-14
Owner TOKIN Corporation (Japan)
NICE Classes  ?
  • 01 - Chemical and biological materials for industrial, scientific and agricultural use
  • 06 - Common metals and ores; objects made of metal
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

Samarium; yttrium; gadolinium; dysprosium; terbium; neodymium; lanthanum; silicon [metal element]. Iron and steel; nonferrous metals and their alloys; tantalum [metal]; copper, unwrought or semi-wrought; tin; nickel; cobalt, raw. Linear actuators. Electric voltage transformers; electric reactors; power distribution or control machines and apparatus; electrical transformers for telecommunication apparatus; antennas; coils, electric; telecommunication machines and apparatus; capacitors; magnetic cores; inductors [electricity]; measuring or testing machines and instruments; magnetometers; electricity meters; ammeters; electric current control devices; temperature sensors; sensors [measurement apparatus], other than for medical use; electronic components; electronic circuits; integrated circuit cards; electronic tags for goods; blank smart cards; printed circuits; printed circuit boards; electronic pens [visual display units]; magnetic stud finders; hydrophones; echo sounders; ultrasonic flaw detectors; ultrasonic sensors; metal detectors for industrial or military purposes; sounding apparatus and machines; sonars; marine depth finders; cyclotrons; betatrons; particle accelerators; computer software applications, downloadable; computer hardware. Testing and research services in the field of electricity.

95.

Electric double-layer capacitor including a terminal having a protruding portion in an exterior body thereof

      
Application Number 15721446
Grant Number 10566146
Status In Force
Filing Date 2017-09-29
First Publication Date 2018-04-19
Grant Date 2020-02-18
Owner TOKIN CORPORATION (Japan)
Inventor
  • Nishishita, Satoshi
  • Miyata, Shinji
  • Yoshida, Katsuhiro
  • Oga, Keisuke

Abstract

An electric double-layer capacitor includes a capacitor element, which includes a positive electrode and a negative electrode that face each other in a predetermined direction; a positive plate-like terminal portion connected to one end of the capacitor element in the predetermined direction; a negative plate-like terminal portion connected to another end of the capacitor element in the predetermined direction; and an exterior body encapsulating the capacitor element, the positive plate-like terminal portion, and the negative plate-like terminal portion. The positive and the negative plate-like terminal portions include parts that face each other in the predetermined direction, and at least one protruding portion protrudes from a corresponding one of the parts toward a corner of the exterior body.

IPC Classes  ?

  • H01G 11/74 - Terminals, e.g. extensions of current collectors
  • H01G 11/78 - CasesHousingsEncapsulationsMountings
  • H01G 11/18 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
  • H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes

96.

SOUND VIBRATION GENERATING DEVICE AND ELECTRONIC INSTRUMENT

      
Application Number JP2017031405
Publication Number 2018/051802
Status In Force
Filing Date 2017-08-31
Publication Date 2018-03-22
Owner TOKIN CORPORATION (Japan)
Inventor
  • Ikezawa Noriaki
  • Yamazaki Osamu
  • Katsuno Masafumi
  • Abe Yoshiyuki
  • Kumasaka Katsunori

Abstract

Provided is a sound vibration generating device which has a simple construction and with which it is possible for a sound pressure frequency characteristic in a target frequency band to be matched to a requirement. A sound vibration generating device (1) includes a flat plate-shaped vibrating plate (10), a piezoelectric element (20), a first weight (30), and a first deflection suppressing portion (60). One end portion, in the longitudinal direction, of the vibrating plate (10) is secured by means of a securing portion (50), and another end portion thereof is a free end. The piezoelectric element (20) is disposed in a first region close to the securing portion (50) of the vibrating plate (10), and is driven by being supplied with electric power. The first weight (30) is disposed adjacent to the piezoelectric element (20) in a second region of the vibrating plate (10), further from the securing portion (50) than is the first region. The first deflection suppressing portion (60) is disposed in a first inflection region of the vibrating plate (10), located between the piezoelectric element (20) and the first weight (30) in the longitudinal direction, and suppresses deflection of the vibrating plate (10).

IPC Classes  ?

  • H04R 17/00 - Piezoelectric transducersElectrostrictive transducers
  • H04R 7/04 - Plane diaphragms
  • H04R 7/26 - Damping by means acting directly on free portion of diaphragm or cone

97.

Power conversion apparatus provided with semiconductor module and electronic component pressurized by pressurizing member

      
Application Number 15695825
Grant Number 10512199
Status In Force
Filing Date 2017-09-05
First Publication Date 2018-03-08
Grant Date 2019-12-17
Owner TOKIN CORPORATION (Japan)
Inventor
  • Hirasawa, Naoki
  • Tanabe, Ryota
  • Kawashima, Takashi
  • Yanbe, Takashi
  • Kondou, Masahiro

Abstract

A power conversion apparatus includes: a semiconductor module, an electronic component, a plurality of cooling pipes and a casing that accommodates the semiconductor module, the electronic component and the cooling pipes. An abutting surface is provided at a part of the casing, in which the electronic component comes into contact with the abutting surface. A pressurizing member pressurizes the semiconductor module in a first direction extending from the semiconductor module to the electronic component. The electronic component includes a part body and a wing portion and the wing portion protrudes from the part body at least either one side of both sides thereof with respect to a second direction perpendicular to the first direction, and comes into contact with the abutting surface from a semiconductor module side with respect to the first direction.

IPC Classes  ?

  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
  • B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train

98.

TOKIN NeoCapacitor

      
Application Number 1387973
Status Registered
Filing Date 2017-11-08
Registration Date 2017-11-08
Owner TOKIN Corporation (Japan)
NICE Classes  ? 09 - Scientific and electric apparatus and instruments

Goods & Services

Electric capacitors; capacitors for distributing or controlling electric current; electric capacitors for telecommunication apparatus.

99.

TOKIN SuperCapacitor

      
Application Number 1387531
Status Registered
Filing Date 2017-11-08
Registration Date 2017-11-08
Owner TOKIN Corporation (Japan)
NICE Classes  ? 09 - Scientific and electric apparatus and instruments

Goods & Services

Electric capacitors; capacitors for distributing or controlling electric current; electric capacitors for telecommunication apparatus.

100.

Pyroelectric infrared sensor device

      
Application Number 15649888
Grant Number 11101422
Status In Force
Filing Date 2017-07-14
First Publication Date 2018-01-25
Grant Date 2021-08-24
Owner TOKIN CORPORATION (Japan)
Inventor
  • Fujiwara, Shigemi
  • Kaneko, Makoto
  • Saito, Masahiro

Abstract

A pyroelectric infrared sensor device comprising: a pyroelectric infrared sensor part (2); and a cover member (3). The pyroelectric infrared sensor part comprises: a pyroelectric element (21); a housing (24) that the pyroelectric element is placed inside of and comprises an opening at a position facing a light receiving surface of the pyroelectric element; and an infrared transmission filter (25) that is located to cover the opening of the housing. The cover member covers at least a top surface of the pyroelectric infrared sensor part. The infrared transmission filter transmits light equal to or greater than a wavelength of 1 μm. The cover member has a property that a transmittance of infrared light having a wavelength of from 3 μm to 5.5 μm is equal to or greater than 10% and has a uniform material quality in an area corresponding to the top surface of the pyroelectric infrared sensor part.

IPC Classes  ?

  • G01J 5/04 - Casings
  • H01L 37/02 - Thermoelectric devices without a junction of dissimilar materials; Thermomagnetic devices, e.g. using Nernst-Ettinghausen effect; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof using thermal change of dielectric constant, e.g. working above and below the Curie point
  • G01J 5/02 - Constructional details
  • G01J 5/08 - Optical arrangements
  • G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
  • G01J 5/34 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
  • H04N 1/00 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmissionDetails thereof
  • G01J 5/06 - Arrangements for eliminating effects of disturbing radiationArrangements for compensating changes in sensitivity
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