TDK Corporation

Japan


Create a watch for TDK Corporation
Total IP 6,992
Total IP incl. subs 8,559 (+ 1,712 for subs)
Total IP Rank # 155
IP Activity Score 4.2/5.0    4,156
IP Activity Rank # 145
IP AS incl. subs 4/5.0    4,381
Stock Symbol
ISIN JP3820400004
Market Cap. 28561521754.0  (JPY)
Industry Electrical Equipment & Parts
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

5,257 56
20 8
1,651 0
0
 
Last Patent 2026 - Antenna device and ic card havin...
First Patent 1972 - Process for the production of po...
Last Trademark 2026 - TDK LAUNCH ENGINE
First Trademark 1968 - TDK

Subsidiaries

20 subsidiaries with IP (1677 patents, 35 trademarks)

5 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2026 G/S Capacitors; Multilayer Ceramic Chip Capacitors; Multilayer Capacitors; Ceramic Capacitors; Harmon...
Invention Magnetic sensor and magnetic sensor system. A magnetic sensor includes a first MR element dispos...
Invention Magnetic core and coil component. A magnetic core having a high relative permeability is obtaine...
Invention Optical modulator. To prevent deterioration in an extinction ratio due to asymmetry between a pa...
Invention Optical device, integrated optical device, and method of manufacturing optical device. An optica...
Invention Light-emitting module and optical device. A light-emitting module includes: a carrier; a laser d...
Invention Electromagnetic wave sensor. An electromagnetic wave sensor comprises a first wiring that extend...
Invention Electromagnetic wave sensor. An electromagnetic wave sensor comprises first wirings that extend ...
Invention Multilayer electronic device and method of manufacturing the same. A multilayer electronic devic...
Invention Multilayer electronic device. A multilayer electronic device includes an element body and insula...
Invention Antenna device and ic card having the same. Disclosed herein is an antenna device that includes ...
Invention Multilayer ceramic electronic device. A multilayer ceramic electronic component includes a first...
Invention Multilayer coil component. A multilayer coil component includes an element body including a plur...
Invention Soft magnetic powder, magnetic and coil device. A soft magnetic powder and a magnetic body each ...
Invention Dielectric ceramic composition and multilayer ceramic electronic component. A dielectric ceramic...
Invention Multilayer ceramic electronic device. A multilayer ceramic electronic device includes an element...
Invention Electronic component. An electronic component includes a first signal terminal, a second signal ...
Invention Dielectric ceramic composition and multilayer ceramic electronic device. A dielectric ceramic co...
Invention Positive electrode for lithium-ion secondary battery, and lithium-ion secondary battery. This pos...
Invention Light detection element. A light detection element includes a first magnetic element and a secon...
Invention Electronic component. An electronic component includes: an element body having a pair of end sur...
Invention Electronic component. An electronic component includes a ceramic body, a pair of electrodes disp...
Invention Electronic component. A ceramic body is located closer to a fourth main surface than a position ...
Invention Electrode terminal and nonaqueous electrolyte secondary battery. This electrode terminal is provi...
Invention Magnetoresistive element and magnetic sensor. An magnetoresistive element includes: a first magn...
Invention Magnetic sensor. A magnetic sensor includes a first magnetoresistive (MR) element, a second MR e...
Invention Reservoir computing device, method for processing reservoir computing device and method for manuf...
Invention Magnetic sensor. [Problem] To enhance detection accuracy of a magnetic sensor in which permalloy ...
Invention Magnetic sensor device, rotation detection system including the same, and magnetic field generati...
Invention Magnetic array, methods of controlling magnetic array, and recording media. This magnetic array ...
Invention Optical coupling element assembly, optical engine, image display device, xr glasses, and method f...
Invention Information processing device, electromagnetic wave testing device, program, and electromagnetic ...
Invention Information processing device, electromagnetic wave testing apparatus, program, and electromagnet...
Invention Laser module, optical engine, and xr glasses. The laser module 1000 includes, in a package 110, ...
Invention Lithium ion secondary battery. A lithium ion secondary battery (100) comprises a positive electro...
Invention Active material layer and all-solid-state battery. AMSESEAMAM<1.0.
Invention Negative electrode layer and solid state battery. xyxyySi mapping.
2025 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,...
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 Magnetoresistance effect element and magnetic memory. This magnetoresistance effect element has ...
Invention Reservoir computing device. A reservoir computing device includes an input unit, a physical rese...
Invention Magnetoresistance effect element and magnetic memory. This magnetoresistance effect element incl...
Invention Motor device. A motor device according to one embodiment of the present disclosure comprises: a s...
Invention Control system and control device. A control system according to the present embodiment includes ...
Invention Information processing device, information processing method, and program. An information process...
Invention Power transmission device and motor apparatus. A power transmission device according to one embod...
2024 Invention Through-hole electrode substrate, mems device, manufacturing method of mems device, and multilaye...
Invention Conveyance device. A transfer apparatus includes a frame and a head fixed to the frame and confi...
Invention Air secondary battery. A battery includes a container, and an electrode group housed in the cont...
Invention Wiring conductor and coil component. A wiring conductor includes a main body portion. The main b...
2023 Invention Electric power transmission device and motor apparatus. An electric power transmission device ac...
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...
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 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...