TDK Corporation

Japan


Create a watch for TDK Corporation
Total IP 6,855
Total IP incl. subs 8,439 (+ 1,730 for subs)
Total IP Rank # 155
IP Activity Score 4.2/5.0    4,082
IP Activity Rank # 147
IP AS incl. subs 4/5.0    4,306
Stock Symbol
ISIN JP3820400004
Market Cap. 28561521754.0  (JPY)
Industry Electrical Equipment & Parts
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

5,166 55
20 8
1,606 0
0
 
Last Patent 2026 - Multilayer capacitor
First Patent 1972 - Process for the production of po...
Last Trademark 2025 - TDK SENSING WITHIN
First Trademark 1968 - TDK

Subsidiaries

21 subsidiaries with IP (1694 patents, 36 trademarks)

4 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2026 Invention Semiconductor device. Disclosed herein is a semiconductor device that includes a semiconductor s...
Invention Magneto-resistive element and method of manufacturing the magneto-resistive element. A magneto-r...
Invention Magnetic sensor device and method of manufacturing the same. A magnetic sensor device includes a...
Invention Non-aqueous electrolyte solution and lithium-ion secondary battery. A non-aqueous electrolyte so...
Invention Magnetic sensor. A magnetic sensor includes a soft magnetic body having a first end surface and ...
Invention Sintered magnet, method for making sintered magnet and pressing mold. A pressing mold is provide...
Invention Multilayer inductor. A multilayer inductor includes: an element body including a plurality of el...
Invention Alkaline secondary battery. An alkaline secondary battery of the present invention includes a po...
Invention Electronic device. An electronic device capable of preventing penetration of liquid from outside...
Invention Coil device. A coil device includes a wire, a bobbin including a wound portion provided with a w...
Invention Coil device. A coil device includes a bobbin, a wire including a winding portion wound around th...
Invention Coil component. A coil component includes an element body made of an insulator including Al2O3 f...
Invention Coil component. Disclosed herein is a coil component that includes: an element body having a mou...
Invention Coil component and power supply device. Provided is a technology relating to a coil component th...
Invention Dielectric, multilayer ceramic capacitor, and electronic component. A dielectric according to the...
Invention Antenna substrate, antenna device, and electronic component. An antenna substrate includes ...
Invention Coil component. A coil component according to an aspect of the present disclosure includes a bod...
Invention Magnetic sensor device. A support body includes at least one power supply pad and a ground pad. ...
Invention Optical detection device and transceiver device. The optical detection device 100 comprises a fi...
Invention Coil component. Disclosed herein is a coil component that includes a magnetic element body, a co...
2025 Invention Soft magnetic alloy, soft magnetic alloy ribbon, and magnetic device. A soft magnetic alloy cont...
Invention Retinal projection device. A retinal projection device to be mounted on a near-eye wearable devi...
Invention Coil component. A coil component includes an element body, and a coil disposed in the element bo...
Invention Metasurface reflector, projection device, and near-eye wearable device. The metasurface reflecto...
Invention Optical device and optical system. Provided are an optical device and an optical system that can...
Invention Multilayer capacitor. A multilayer capacitor includes an element body, and first, second, and th...
Invention Magnetoresistive element and magnetic sensor. An MR element includes a magnetization pinned...
Invention Magnetoresistive element and magnetic sensor. An MR element includes: a magnetization pinned lay...
Invention Coil device, pulse transformer, electronic component, and method of manufacturing electronic comp...
Invention Rotation angle detection device and foldable machine comprising same. A rotation angle detection...
G/S Sensors, namely, temperature sensors, NTC being negative-temperature-coefficient thermistor senso...
G/S Semiconductor manufacturing machines; Flip chip mounting machine for the manufacture of electric,...
Invention Nanogranular magnetic film, magnetic core, and electronic component. A nanogranular magnetic fil...
G/S Metal alloys, namely, hydrogen storage alloy; metal alloys, namely, hydrogen absorbing alloy; non...
G/S Watches, clocks; Clocks and watches, electric Video game machines; Portable games with liquid cry...
G/S Computer keyboards; Computer peripheral devices; Computer mice; Joysticks for use with computers,...
G/S Flip chip mounting machine for the manufacture of electric, electronic and semiconductor devices ...
Invention Sensor element and gas sensor. The disclosure discloses a sensor element and a gas sensor, compr...
Invention Rotary transformer unit and motor device. A rotary transformer unit according to one embodiment o...
Invention Rotary transformer unit and motor apparatus. A rotary transformer unit according to one embodimen...
2024 Invention Positive electrode active material for alkaline storage batteries, and alkaline storage battery. ...
2023 Invention Thin film capacitor, manufacturing method therefor, and electronic circuit board having the thin ...
Invention Sensor element, sensor element manufacturing method, and gas measuring device. A sensor element ...
Invention Stretchable circuit substrate and stretchable device. This stretchable circuit substrate include...
Invention All-solid-state battery and electronic device. An all-solid-state battery which includes: a batt...
Invention Positive electrode active material layer, positive electrode, and all-solid-state secondary batte...
Invention Kiln exhaust gas regeneration apparatus and system, and kiln system. A kiln exhaust gas regenera...
Invention Multilayer thin film capacitor and method for manufacturing the same. To provide a multilayer th...
Invention All-solid state battery. An all-solid state battery includes a positive electrode; a negative el...
Invention Metal oxide semiconductor gas sensor. A metal oxide semiconductor gas sensor has a first electro...
Invention Electronic component. To improve, in an electronic component having a structure in which conduct...
Invention Spin inductor. This spin inductor includes a wiring layer, a first ferromagnetic layer, and a fi...
G/S Ferrites in the nature of magnetic cores; electronic components in the nature of capacitors; cera...
G/S Blank flash memory cards; secure digital (SD) memory cards; computer hardware, namely, memory car...
2022 G/S Magnetic sensors; sensors for measuring magnetic field; magnetometers
G/S Microfluidic chips for scientific, laboratory and general research uses; microfluidic chips for l...
Invention Calculation model and calculation program. This calculation model is a calculation model that is...
Invention Battery with terminals
Invention Battery pair with terminals
G/S Batteries
2021 G/S Electric actuators; Piezoelectric actuators; Piezoelectric buzzers; Piezoelectric speakers; Telev...
G/S (Based on 44(e)) Energy management devices, namely, power controllers, electric controllers, elec...
2020 G/S Vehicle safety equipment, namely, electronic monitors for measuring tire pressure, tire particles...
G/S power supplies, switching power supplies and parts and fittings therefor, namely, electrical plug...
G/S Solar cells; dry cells; electrical cells and batteries; battery chargers; electric accumulators; ...
2018 G/S Capacitors; thin film capacitors; electronic circuit; electronic circuit boards; capacitors for e...
G/S Electric actuators; piezoelectric actuators; piezoelectric buzzers; piezoelectric speakers; louds...
G/S flip chip mounting machine for the manufacture of electric, electronic and semiconductor devices ...
2017 G/S [ video game machines; portable games with liquid crystal displays; Apparatus for electronic game...
2012 G/S Product testing, namely, testing electronic products for electromagnetic emissions and immunity f...
2008 G/S Power supplies namely, AC-DC converters, AC-DC power supplies; parts and fittings for power suppl...
G/S [ Retail store services, on-line retail store services, mail order retail store services, wholesa...
G/S Retail store services, on-line retail store services, mail order retail store services, wholesale...
2007 G/S circuit boards; printed circuit boards; electronic circuit boards; integrated circuit boards; sem...
G/S Computer hardware; flash memory computer hardware; silicon disk modules, namely, blank flash-memo...
G/S Semiconductor chips
2005 G/S Magnetic ingots; metal foil resistors. Automatic vending machines; plungers[mechanical drive comp...
2004 G/S Electric capacitors, multilayer ceramic chip capacitors, capacitors, laboratory equipment, namely...
G/S Electric capacitors, multilayer ceramic chip capacitors, capacitors, [ laboratory apparatus and i...
2003 G/S VIDEO GAME CARTRIDGES AND VIDEO GAME DISCS FOR USE IN GAME CONSOLES AND PERSONAL COMPUTERS; COMPU...
1999 G/S BATTERIES [; BATTERY CHARGERS ] [ FLASHLIGHTS, LAMPS, AND ELECTRIC LANTERNS ]