TDK Corporation

Japan


 
Total IP 6,294
Total IP incl. subs 8,065 (+ 1,944 for subs)
Total IP Rank # 153
IP Activity Score 4.2/5.0    4,253
IP Activity Rank # 136
IP AS incl. subs 4/5.0    4,560
Stock Symbol
ISIN JP3820400004
Market Cap. 28561521754.0  (JPY)
Industry Electrical Equipment & Parts
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,822 52
21 9
1,390 0
0
 
Last Patent 2024 - Flat coil and coil device
First Patent 1972 - Process for the production of po...
Last Trademark 2023 - TDK TECHNO EXPERIENCE
First Trademark 1968 - TDK

Subsidiaries

20 subsidiaries with IP (1906 patents, 38 trademarks)

3 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2023 Invention Gas sensor with improved sensitivity and gas sensor component. A gas sensor with improved sensit...
Invention Magnetic field detection apparatus and current detection apparatus. A magnetic field detection a...
Invention Magnetic sensor and method of manufacturing such, and magnetic detection device and magnetic dete...
Invention Magnetic sensor. A magnetic sensor includes a substrate including a top surface; an insulating l...
Invention Sensor. A magnetic sensor includes an insulating layer, a first MR element, and a second MR elem...
Invention Magnetic sensor. A magnetic sensor includes an MR element. The MR element includes a free layer....
Invention Flat coil and coil device. A flat coil comprises a coil main portion having a flat shape; a lead...
Invention Electronic component. The electronic component includes an element body, an internal conductor, ...
Invention Solid-state battery, and solid-state battery manufacturing method. The present invention makes it...
Invention Strain resistance film, physical quantity sensor, and method for manufacturing the strain resista...
Invention Method of estimating life of nickel-metal hydride battery. A method of estimating life of a nick...
Invention Battery pack and method for producing same. Provided are a battery pack and a method for producin...
Invention Substrate processing device. [Problem] To provide a substrate processing device that allows a uni...
Invention Magnetoresistance effect element, magnetic recording element, and high-frequency device. A magne...
Invention Control device for motor, motor, control device for power generator, power generator, and wind tu...
Invention All-solid-state battery. This all-solid-state battery (100) comprises a positive electrode layer ...
Invention Optical waveguide detection element, video laser module, and xr glasses. This optical waveguide ...
Invention Magnetic field generator and motion capture system using the same. Disclosed herein is a magneti...
Invention Dielectric composition and electronic component. A dielectric composition including a tungsten b...
Invention Electronic component. An electronic component includes: a first internal electrode provided in a...
Invention Devices and methods for flow control in a microfluidic system. A microfluidic device and a method...
Invention Method of manufacturing r-t-b based sintered magnet, and r-t-b based sintered magnet. A method o...
Invention Devices and methods for flow control in a microfluidic system. A microfluidic device and a metho...
Invention Electronic component. An electronic component includes: a first internal electrode which is prov...
Invention Solid electrolyte, solid electrolyte layer, and solid electrolyte battery. AA within a range of 2...
Invention Coil device. The present disclosure provides a coil device that can be reduced in height, has a ...
Invention High-voltage feedthrough capacitor. A high-voltage feedthrough capacitor includes: a capacitor i...
Invention Electronic device. An electronic device includes an element body. The element body includes at l...
Invention Electronic device. An electronic device includes an element body. The element body includes a fi...
Invention Negative electrode and all-solid-state battery. Provided are: a negative electrode for which it i...
Invention All-solid-state battery. This all-solid-state battery comprises an outer case body, and, inside t...
Invention Computer-readable medium, information processing method, and information processing device. A co...
Invention Coil component. [Problem] To reduce connection resistance between a coil part and a terminal elec...
Invention Magnetic sensor device and method of manufacturing the same. A magnetic sensor device includes a...
Invention Negative electrode for alkaline secondary batteries, alkaline secondary battery, and method for p...
Invention Electronic component. An electronic component includes a component body, a metal terminal, and a...
Invention Multilayer coil component. A plurality of through-hole conductors include a first through-hole c...
Invention Cured product for lithium ion secondary batteries, negative electrode for lithium ion secondary b...
Invention Solid-state battery and method for producing same. The present application provides a solid-state...
Invention Coil component and method of manufacturing the same. A coil component includes a coil configured...
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
Invention Machine learning device and carbon dioxide concentration measurement device. This machine learnin...
Invention Spin inductor. This spin inductor comprises: a first inductor layer; a first terminal; and a seco...
Invention Noise processing circuit, signal processing device, noise processing method, and recording medium...
Invention Positive electrode for lithium battery and lithium battery. This positive electrode for a lithium...
Invention Method for manufacturing magnetoresistance effect element, and magnetoresistance effect element. ...
Invention Magneto resistive element. A magneto resistive element includes a first ferromagnetic layer, a s...
G/S Microfluidic chips for scientific, laboratory and general research uses; microfluidic chips for l...
Invention Battery and method for producing battery. Provided is a battery including a battery element havi...
Invention Magnetic sensor. A magnetic sensor includes: a sensor chip having magnetic layers magnetically c...
G/S Batteries
2021 Invention R-t-b based permanent magnet. An R-T-B permanent magnet that contains: main-phase grains compose...
Invention Composite particles. A composite particle of the present invention includes an inorganic particl...
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...
G/S electromagnetic absorbing and shielding materials, namely, composite metal sheets offer rite and ...
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 wearable activity trackers; wearable computers; wireless vital data monitoring sensors for monito...
G/S Multilayer chip varistors; chip varistors; varistors; voltage surge suppressors; voltage surge pr...
G/S flip chip mounting machine for the manufacture of electric, electronic and semiconductor devices ...
2017 G/S Electric actuators; piezoelectric actuators; smartphones; tablet computers; smartwatches; photogr...
2016 G/S Electric capacitors; DC/DC converters; power distribution or control machines and apparatus, name...
2012 G/S Computer software for processing vital data; wireless vital data monitoring sensors excluding for...
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 ]
1996 G/S Magnetic necklaces in the form of plated magnets strung as necklaces and worn for therapeutical p...
1995 G/S heavy duty primary batteries for use in the operation of electrical equipment comprising security...
1992 G/S optical disks[, magnetico-optical disks and parts therefor]