TDK Corporation

Japan


 
Total IP 6,305
Total IP incl. subs 8,074 (+ 1,942 for subs)
Total IP Rank # 152
IP Activity Score 4.2/5.0    4,269
IP Activity Rank # 135
IP AS incl. subs 4/5.0    4,575
Stock Symbol
ISIN JP3820400004
Market Cap. 28561521754.0  (JPY)
Industry Electrical Equipment & Parts
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,835 52
21 9
1,388 0
0
 
Last Patent 2024 - Stacked electrode, electrode-equ...
First Patent 1972 - Process for the production of po...
Last Trademark 2023 - TDK TECHNO EXPERIENCE
First Trademark 1968 - TDK

Subsidiaries

20 subsidiaries with IP (1904 patents, 38 trademarks)

3 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2023 Invention Magnetization rotational element and magnetoresistive effect element. This spin current magnetiz...
Invention Magnetic sensor. A magnetic sensor includes a substrate including a top surface; an insulating l...
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 Multilayer electronic component. An electronic component includes a stack including a plurality ...
Invention Branching filter. A branching filter includes a first diplexer, a second diplexer, and a third d...
Invention Laminated coil component. A laminated coil component includes: an element body having a first su...
Invention High-frequency coil component. A high-frequency coil component includes a sealing portion contai...
Invention Optical coupler and visible light source module. This optical coupler for coupling a plurality o...
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 Method for manufacturing laminated coil component, and laminated coil component. In a method for...
Invention Optical waveguide detection element, video laser module, and xr glasses. This optical waveguide ...
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 Method of manufacturing r-t-b based sintered magnet, and r-t-b based sintered magnet. A method o...
Invention Switching control unit, electric power conversion apparatus, and electric power supply system. A...
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 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 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 Negative electrode for alkaline secondary batteries, alkaline secondary battery, and method for p...
Invention Multilayer coil component. A plurality of through-hole conductors include a first through-hole c...
Invention Solid-state battery and method for producing same. The present application provides a solid-state...
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 Variable capacitor and integrated circuit. This variable capacitor has a first conductive layer, ...
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. ...
G/S Microfluidic chips for scientific, laboratory and general research uses; microfluidic chips for l...
Invention Battery tray
Invention All-solid-state secondary battery. An all-solid-state secondary battery includes a laminate whic...
Invention All-solid-state battery. An all-solid-state battery includes a positive electrode layer includin...
Invention Battery and method for producing battery. Provided is a battery including a battery element havi...
Invention Stacked electrode, electrode-equipped strain resistance film, and pressure sensor. A stacked ele...
Invention Backup power supply device. A backup power supply device includes: a storage battery charged wit...
G/S Batteries
2021 Invention R-t-b based permanent magnet. An R-T-B permanent magnet that contains: main-phase grains compose...
G/S Electric actuators; Piezoelectric actuators; Piezoelectric buzzers; Piezoelectric speakers; Telev...
Invention Coil component
G/S (Based on 44(e)) Energy management devices, namely, power controllers, electric controllers, elec...
Invention Laminated resin film, current collector, and secondary battery. A laminated resin film includes:...
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]