Macoho Co. Ltd.

Japan

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        Patent 12
        Trademark 7
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        World 14
        United States 5
Date
2026 May 1
2026 (YTD) 2
2025 4
2024 1
2023 2
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IPC Class
B24C 11/00 - Selection of abrasive materials for abrasive blasts 5
B24C 5/04 - Nozzles therefor 5
B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials 4
B21J 3/00 - Lubricating during forging or pressing 2
B24C 1/00 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods 2
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NICE Class
07 - Machines and machine tools 5
06 - Common metals and ores; objects made of metal 2
40 - Treatment of materials; recycling, air and water treatment, 1
Status
Pending 1
Registered / In Force 18

1.

MACOHO

      
Serial Number 99853977
Status Pending
Filing Date 2026-05-29
Owner MACOHO Co., Ltd. (Japan)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 40 - Treatment of materials; recycling, air and water treatment,

Goods & Services

Wet blasting equipment for surface treatment of aircraft parts, automobile parts, motorcycle parts, and other machine parts; Deburring equipment for aircraft parts, automobile parts, motorcycle parts, and other machine parts; Cleaning equipment for aircraft parts, automobile parts, motorcycle parts, and other machine parts; Wet blasting equipment for cemented carbide tools; Deburring equipment for cemented carbide tools; Cleaning equipment for cemented carbide tools; Wet blasting equipment for workpieces; Deburring equipment for workpieces; Surface-cleaning equipment for workpieces; Lubricant-coating equipment for workpieces; Drying equipment for workpieces; Workpiece processing equipment for wet blasting and lubricant coating; Workpiece washing and lubricant-coating equipment; Cold forging equipment; Metalworking equipment and accessories; Cleaning equipment for workpieces and metalworking equipment; Civil engineering equipment; Workpiece feeding equipment; Cargo-handling equipment; Wet blasting equipment for resin stereolithography parts; Deburring equipment for resin stereolithography parts; Plastic-processing equipment and accessories; Cleaning equipment for resin stereolithography parts and plastic-processing equipment; Wet blasting equipment for glass products; Deburring equipment for glass products; Glassware-manufacturing equipment and accessories; Cleaning equipment for glass products and glassware-manufacturing equipment; Radioactive-substance removal equipment using wet blasting; Radioactive-substance removal equipment for road surfaces using wet blasting; Wet blasting equipment for electronic components, ceramic and glass components, plastic-molded components, and metal-processed components used in semiconductor manufacturing; Semiconductor-manufacturing equipment and accessories; Cleaning equipment for electronic components, ceramic and glass components, plastic-molded components, metal-processed components, and semiconductor-manufacturing equipment; Wet blasting equipment for gemstones; Stone-processing equipment and accessories; Cleaning equipment for gemstones and stone-processing equipment; Mining equipment; Fishing equipment; Chemical equipment; Textile equipment; Food-processing or beverage-processing equipment; Wind-powered or hydraulic equipment; Vehicle-washing equipment; Rubber-product manufacturing equipment; Repair equipment; Commercial mixing equipment; Commercial peeling equipment; Commercial slicing equipment; Electric wax-polishing equipment; Electric vacuum-cleaning equipment Peening processing using a slurry of particulate abrasives mixed with water and accelerated by compressed air for processing metal surfaces; Metal strengthening treatment; Cleaning and surface treatment of aircraft parts, automobile parts, motorcycle parts, and other machine parts; Metal processing; Cleaning and surface treatment of electronic components; Cleaning and surface treatment of semiconductors; Cleaning and surface treatment of electronic circuit boards; Cleaning and surface treatment of tools; Glass strengthening treatment; Cleaning and surface treatment of glass; Glass processing; Cleaning and surface treatment of resin stereolithography parts; Plastic processing; Rubber processing; Ceramic processing

2.

NOZZLE MEMBER AND WET BLAST PROCESSING DEVICE PROVIDED WITH NOZZLE MEMBER

      
Application Number JP2024045570
Publication Number 2026/058464
Status In Force
Filing Date 2024-12-24
Publication Date 2026-03-19
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Okura Hiroshi
  • Maruyama Takayuki

Abstract

The present invention solves the conventional problems of further improving productivity and achieving uniformity of processing, suppression of workpiece movement, and simplification of conveyance, when performing wet blast processing in which a plurality of workpieces are placed on a tray. Provided is a nozzle member that sprays a slurry which is a mixture of a liquid and abrasive grains toward a member to be processed, said nozzle member comprising a pair of nozzle bodies which each have a slit-shaped spray port that extends in a straight line, wherein in a cross-section orthogonal to the extension direction of the spray ports, the pair of nozzle bodies are disposed opposite each other such that the slurry sprayed from the respective spray ports collides at a given point.

IPC Classes  ?

  • B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
  • B24C 1/02 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for sharpening or cleaning cutting tools, e.g. files
  • B24C 3/12 - Apparatus using nozzles
  • B24C 5/04 - Nozzles therefor

3.

PROCESS FOR PREPARING A WORKPIECE PRIOR METAL FORMING

      
Application Number EP2025062487
Publication Number 2025/237770
Status In Force
Filing Date 2025-05-07
Publication Date 2025-11-20
Owner
  • CHEMETALL GMBH (Germany)
  • MACOHO CO., LTD. (Japan)
Inventor
  • Hollmann, Frank
  • Lang, Andreas
  • Tachibana, Kazutoshi

Abstract

The present invention relates to a process for preparing a metallic workpiece for cold forming by contacting at least one metallic surface thereof with an aqueous acidic phosphating solution to form at least one phosphate coating, comprising step 1 to step 6, wherein 1) a roughness value of the metallic workpiece is determined, 2) a surface A of the metallic workpiece is determined, 3) a current density is determined from a surface A of the metallic workpiece, 4) a factor FS is determined, using the current density determined in step 3, 5) phosphating is carried out electrolytically, whereby FS ≤ 200 A s/dm2 and 6) coating weight and optionally coating adhesion are determined, to a metallic workpiece, which has been coated with at least one phosphate coating according to the aforementioned process or to a metallic workpiece, which has been coated with at least one phosphate coating according to the aforementioned process and additionally with at least one lubricant layer, to a use of the metallic workpiece, which has been coated with at least one phosphate coating or with at least one such phosphate coating and additionally with at least one lubricant layer for cold forming or in sliding friction and to a metallic workpiece, which has been formed or forged by using the aforementioned metallic workpiece.

IPC Classes  ?

4.

NOZZLE BODY

      
Application Number JP2024028253
Publication Number 2025/197138
Status In Force
Filing Date 2024-08-07
Publication Date 2025-09-25
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Tokunaga Yasushi
  • Kumagai Isao

Abstract

A nozzle body for ejecting a slurry is provided, the nozzle body being capable of having reduced air consumption and improving processing speed. The nozzle body comprises: a slurry introduction port for introducing a slurry obtained by mixing abrasive grains and a liquid; a pressurized-air introduction port for introducing pressurized air for ejecting the slurry from an ejection port; an air jet disposed at the fore end of the pressurized-air introduction port; a mixing chamber which communicates with the slurry introduction port and in which the air jet is disposed; and a cylindrical nozzle main body which has the ejection port formed in the leading end thereof and in which the other end faces the air jet inside the mixing chamber. The mixing chamber has a circular shape in a cross section orthogonal to the extension direction of the nozzle main body. The slurry introduction port is disposed offset from the center of the circular shape in the cross section orthogonal to the extension direction.

IPC Classes  ?

  • B05B 7/04 - Spray pistolsApparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
  • B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl

5.

WET SHOT PEENING METHOD

      
Application Number JP2024028660
Publication Number 2025/134421
Status In Force
Filing Date 2024-08-09
Publication Date 2025-06-26
Owner MACOHO CO., LTD. (Japan)
Inventor Kumagai Isao

Abstract

Provided is a wet shot peening method capable of, while suppressing crushing of a projection material, imparting high compressive residual stress even to a workpiece having high hardness. The wet shot peening method comprises a shot peening step for injecting, together with compressed air, a slurry obtained by mixing a liquid and a projection material, by using a wet blast device provided with a nozzle, to cause the projection material contained in the slurry to collide with the workpiece. Yttria-stabilized zirconia is used as the projection material.

IPC Classes  ?

  • B24C 11/00 - Selection of abrasive materials for abrasive blasts
  • B24C 1/10 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
  • B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
  • B24C 5/04 - Nozzles therefor

6.

NOZZLE BODY

      
Application Number JP2024017111
Publication Number 2025/018008
Status In Force
Filing Date 2024-05-08
Publication Date 2025-01-23
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Tokunaga Yasushi
  • Kumagai Isao

Abstract

The present invention provides a nozzle body for injecting slurry, wherein processing is uniform in an opening direction even when processing is performed with an injection port directed in any direction. This nozzle body includes: a slurry storage chamber in which slurry in which abrasive grains and liquid are mixed is introduced and temporarily stored; an air storage chamber into which pressurized air is introduced and temporarily stored; and a passageway which communicates with the slurry storage chamber and the air storage chamber and injects from an injection port an injection material in which the slurry and the pressurized air are mixed. The slurry storage chamber includes a slurry introduction port for introducing the slurry. The slurry introduction port includes a turning means for swirling the slurry.

IPC Classes  ?

  • B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
  • B24C 1/10 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
  • B24C 5/04 - Nozzles therefor

7.

SUSTEAR

      
Application Number 1776702
Status Registered
Filing Date 2023-12-21
Registration Date 2023-12-21
Owner MACOHO Co., Ltd. (Japan)
NICE Classes  ? 06 - Common metals and ores; objects made of metal

Goods & Services

Metal in powdered form.

8.

SUSTEAR

      
Serial Number 79389793
Status Registered
Filing Date 2023-12-21
Registration Date 2025-03-18
Owner MACOHO Co., Ltd. (Japan)
NICE Classes  ? 06 - Common metals and ores; objects made of metal

Goods & Services

Common metals in powdered form

9.

METHOD FOR MANUFACTURING COLD-FORGED PRODUCT

      
Application Number JP2023016120
Publication Number 2023/210583
Status In Force
Filing Date 2023-04-24
Publication Date 2023-11-02
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Tachibana Kazutoshi
  • Kitamura Norihiko

Abstract

Provided is a method for manufacturing a cold-forged product, said method having excellent manufacturing suitability and a reduced environmental burden. This method includes: a surface treatment step in which a surface treatment is performed on a member 5 to be forged; an adhesion step in which, following the surface treatment step, a lubricant 3 is adhered to the surface of the member 5 to be forged; and a forging step in which, following the adhesion step, the member 5 to be forged is cold-forged using a tool 4. The surface treatment step is a surface treatment using wet blasting. A member to be forged containing an iron (Fe) component is used as the member 5 to be forged, and a lubricant 3 containing a lubricating component and an extreme-pressure additive is used as the lubricant 3.

IPC Classes  ?

  • B21J 1/02 - Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
  • B21J 3/00 - Lubricating during forging or pressing
  • C10M 169/04 - Mixtures of base-materials and additives
  • C10N 40/24 - Metal working without essential removal of materialPunching metal

10.

WORK PROCESSING APPARATUS

      
Application Number JP2020033965
Publication Number 2021/065381
Status In Force
Filing Date 2020-09-08
Publication Date 2021-04-08
Owner MACOHO CO., LTD. (Japan)
Inventor Murayama Kazunari

Abstract

The purpose of the present invention is to provide a ground-breaking work processing apparatus which has never existed in the past. A work processing apparatus in which a slurry 50, which is a mixture of a liquid 50a and abrasive grains 50b, is made to collide with a work W conveyed by a work conveying unit 7 in a shot blasting unit 2, the shot blasting unit 2 having a structure such that the slurry 50 is projected by rotation of an impeller 1, the work processing apparatus further comprising: a slurry storage tank unit 3 that stores the slurry 50; a slurry conveying unit 4 that conveys the slurry 50 from the slurry storage tank unit 3 to the shot blasting unit 2; a slurry collecting unit 5 that collects the used slurry 50 which has been used in the shot blasting unit 2 into the slurry storage tank unit 3; and a work cleaning unit 8 that cleans the work W after shot blasting of the work W in the shot blasting unit 2.

IPC Classes  ?

  • B24C 3/14 - Apparatus using impellers
  • B24C 5/06 - Impeller wheelsRotor blades therefor
  • B24C 9/00 - Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
  • B24C 11/00 - Selection of abrasive materials for abrasive blasts

11.

MACOHO

      
Application Number 1581198
Status Registered
Filing Date 2020-12-25
Registration Date 2020-12-25
Owner MACOHO CO., LTD. (Japan)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Wet-blasting apparatus for performing surface treatment of work for parts of machine; deburring machine for removing burr of work for parts of machine; metalworking machines and tools, and accessories therefor; construction machines and apparatus; work feeder for supplying a work; loading-unloading machines and apparatus; chemical processing machines and apparatus; plastic processing machines and apparatus; stone working machines and apparatus; pneumatic or hydraulic machines and instruments; vehicle washing installations.

12.

SLURRY USED IN WET BLASTING METHOD

      
Application Number JP2020030027
Publication Number 2021/025067
Status In Force
Filing Date 2020-08-05
Publication Date 2021-02-11
Owner MACOHO CO., LTD. (Japan)
Inventor Matsubara Sachito

Abstract

Provided is a slurry that can impart a new effect to a wet blasting method. The slurry is used in a wet blasting method, wherein the slurry contains a corrosion inhibitor in addition to a liquid and a polishing material.

IPC Classes  ?

  • B24C 11/00 - Selection of abrasive materials for abrasive blasts
  • C09K 3/14 - Anti-slip materialsAbrasives

13.

MACOHO

      
Serial Number 79306721
Status Registered
Filing Date 2020-12-25
Registration Date 2022-03-15
Owner MACOHO CO., LTD. (Japan)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Wet-blasting machines for performing surface treatment of work for parts of machine; deburring machines for removing burrs from metal objects for parts of machine; metalworking machines, namely, horning machines, milling machines, grinding machines, and metal working machine tools; concrete construction machines; mechanized work feeder machines for supplying a work to a blast processing chamber; concrete loading and unloading machines; chemical processing machines and apparatus, namely, emulsifying machines, extracting machines, filtering machine and sorting machines; plastic processing machines; stone working machines; pneumatic and hydraulic wet-blasting machines; vehicle washing installations

14.

WORKPIECE SURFACE TREATING APPARATUS AND WORKPIECE SURFACE TREATING METHOD

      
Application Number JP2019051251
Publication Number 2020/162078
Status In Force
Filing Date 2019-12-26
Publication Date 2020-08-13
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Saito Fumiyasu
  • Furusawa Toshikazu
  • Abe Takeshi

Abstract

The purpose is to provide an epoch-making workpiece surface treatment apparatus that performs surface treatment on a workpiece while stably transporting the workpiece without obstructing the rotation of the workpiece or inclining or falling down the workpiece, and a workpiece surface treatment method using this workpiece surface treatment apparatus. A slit nozzle-type injection unit (wide gun) having a slit-shaped slurry injection port is adopted as a slurry injection unit 2 that injects slurry onto a workpiece W, the longitudinal direction of the slurry injection port of this slurry injection unit 2 is directed in a conveyance direction of the workpiece W, the workpiece W is disposed in a tilted state at a predetermined angle, and the slurry is injected onto the workpiece W in an inclined band shape.

IPC Classes  ?

  • B24C 3/12 - Apparatus using nozzles
  • B21J 3/00 - Lubricating during forging or pressing
  • B24C 5/04 - Nozzles therefor
  • B24C 9/00 - Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

15.

MW

      
Application Number 1520655
Status Registered
Filing Date 2019-12-18
Registration Date 2019-12-18
Owner MACOHO CO., LTD. (Japan)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Wet-blasting apparatus for performing surface treatment of work; deburring machine for removing burr of work; metalworking machines and tools, and accessories therefor; construction machines and apparatus; work feeder for supplying a work; loading-unloading machines and apparatus; chemical processing machines and apparatus; plastic processing machines and apparatus; stone working machines and apparatus; pneumatic or hydraulic machines and instruments; vehicle washing installations.

16.

MW

      
Serial Number 79281261
Status Registered
Filing Date 2019-12-18
Registration Date 2020-10-20
Owner MACOHO CO., LTD. (Japan)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Wet-blasting apparatus for performing surface treatment of work; deburring machines for removing burrs from metal objects; [ metalworking machines, namely, horning machines, milling machines, grinding machines, and metalworking machine tools, and accessories therefor; concrete construction machines and apparatus; ] mechanized work feeders for supplying a work to a blast processing chamber [ ; loading and unloading machines and apparatus; chemical processing machines and apparatus, namely, emulsifying machines, extracting machines, filtering machines, and sorting machines; plastic processing machines and apparatus; stone working machines and apparatus; pneumatic and hydraulic controls for machines, motors, and engines, and instruments therefor; vehicle washing installations ]

17.

WORKPIECE PROCESSING APPARATUS AND OXIDE SCALE REMOVAL METHOD

      
Application Number JP2018037349
Publication Number 2019/093041
Status In Force
Filing Date 2018-10-05
Publication Date 2019-05-16
Owner MACOHO CO., LTD. (Japan)
Inventor
  • Matsubara Sachito
  • Okura Hiroshi

Abstract

The purpose of the present invention is to provide a revolutionary workpiece processing apparatus and oxide scale removal method not seen in the past. Provided is a workpiece processing apparatus provided with a slurry-jetting unit (1) for jetting compressed air along with a slurry (30), which is a mixture of a liquid (30a) and abrasive grains (30b), on a workpiece (W). A slurry pressure feed unit (2) for pressure-feeding the slurry (30) to the slurry-jetting unit (1) is provided. Said slurry pressure feed unit (2) is provided with a rotator (8) inside a casing (7). A slurry introduction port (4) is provided in the bottom (3) of the casing (7). A slurry outlet port (6) is provided in the side wall (5) that is established continuously on the perimeter of the bottom (3) of the casing (7). Vanes (9), which have length in the radial direction from the center of rotation of the rotator (8) and curve convexly in the direction of rotation, are provided on the rotator (9).

IPC Classes  ?

  • B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
  • B24C 1/00 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods
  • B24C 3/32 - Abrasive blasting machines or devicesPlants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
  • B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
  • B24C 11/00 - Selection of abrasive materials for abrasive blasts

18.

OXIDE SCALE REMOVAL METHOD

      
Application Number JP2018037345
Publication Number 2019/087688
Status In Force
Filing Date 2018-10-05
Publication Date 2019-05-09
Owner MACOHO CO., LTD. (Japan)
Inventor Matsubara Sachito

Abstract

The objective of the present invention is to provide an innovative oxide scale removal method that has hitherto not existed. This oxide scale removal method is a method for removing oxide scale (30) generated as a result of heat treating a metal elongate material (21) for wire drawing, on the surface of the elongate material (21) for wire drawing, wherein slurry (3) comprising a mixture of a liquid (1) and abrasive grains (2) is mixed with compressed air and is sprayed onto the surface of the elongate material (21) for wire drawing.

IPC Classes  ?

  • B24C 3/32 - Abrasive blasting machines or devicesPlants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
  • B24C 1/00 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods
  • B24C 1/08 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for polishing surfaces, e.g. by making use of liquid-borne abrasives
  • B24C 11/00 - Selection of abrasive materials for abrasive blasts
  • B21C 1/00 - Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing

19.

Nozzle body

      
Application Number 14946120
Grant Number 09950407
Status In Force
Filing Date 2015-11-19
First Publication Date 2016-06-02
Grant Date 2018-04-24
Owner MACOHO CO. LTD. (Japan)
Inventor Matsubara, Sachito

Abstract

The purpose of the present invention is to provide a very practical nozzle body. The present invention is a nozzle body in which: a slurry-accumulating chamber (1) having a prescribed length is provided, a slurry formed of a mixture of an abrasive and a liquid being introduced into the slurry-accumulating chamber, and the slurry-accumulating chamber accumulating the slurry; an air-jetting passage (30) having a prescribed length is provided in the vicinity of the slurry-accumulating chamber (1) in a direction perpendicular to a lengthwise direction of the slurry-accumulating chamber (1); the air-jetting passage (30) and the slurry-accumulating chamber (1) are in communication through an output passage (6); pressurized air passes through the air-jetting passage (30), and the slurry is thereby outputted from the slurry-accumulating chamber (1) via the output passage (6); the slurry and the pressurized air are mixed in a mixing chamber (3); and jetting material (4) formed by mixing the pressurized air and the slurry is jetted from a slit-shaped jetting part (5).

IPC Classes  ?

  • B24C 5/04 - Nozzles therefor
  • B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts