TDK Corporation

Japan


 
Total IP 6,186
Total IP incl. subs 8,046 (+ 2,047 for subs)
Total IP Rank # 149
IP Activity Score 4.2/5.0    4,200
IP Activity Rank # 144
IP AS incl. subs 4/5.0    4,546
Stock Symbol
ISIN JP3820400004
Market Cap. 28561521754.0  (JPY)
Industry Electrical Equipment & Parts
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,681 55
16 11
1,423 0
0
 
Last Patent 2023 - Circuit substrate and mounted su...
First Patent 1972 - Process for the production of po...
Last Trademark 2023 - TDK TECHNO EXPERIENCE
First Trademark 1968 - TDK

Subsidiaries

20 subsidiaries with IP (2010 patents, 37 trademarks)

3 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2023 G/S Ferrites in the nature of magnetic cores; Electronic components in the nature of capacitors; cera...
G/S Flash memory cards; Secure Digital (SD) Memory Cards; Memory cards (computer hardware); Electroni...
Invention Tunnel barrier layer, magnetoresistance effect element, and method for manufacturing tunnel barri...
2022 Invention Magnetic sensor and its manufacturing method. A magnetic sensor includes an MR element and a sup...
Invention Electronic component package. An electronic component package of an embodiment of the disclosure...
Invention Correction apparatus for angle sensor, and angle sensor. An angle sensor generates an angle dete...
Invention Common mode filter. Disclosed herein is a common mode filter that includes a winding core part a...
Invention Circuit substrate and mounted substrate. A circuit substrate is a circuit substrate having at le...
Invention Estimation system, estimation method, and recording medium. An estimation system includes: a fir...
Invention Coil device. An inductor includes a coil; terminals including wire connecting portions connected...
Invention Coil device. An inductor 1 includes a coil 2 made of a flat wire, a terminal 4a including a wire...
Invention Inspection apparatus and method for inspecting magnetic sensor. An inspection apparatus includes...
Invention R-t-b based permanent magnet. An R-T-B based permanent magnet includes a rare-earth element R, a...
Invention R-t-b based permanent magnet. A permanent magnet contains main phase grains. The main phase grai...
Invention Magnetoresistance effect element. A magnetoresistance effect element includes a first ferromagne...
Invention Filter. A filter includes first and second resonators and first and second stub resonators. Each...
Invention R-t-b based permanent magnet. The present invention relates to an R-T-B based permanent magnet co...
Invention R-t-b permanent magnet. Provided is an R-T-B permanent magnet that contains Al, Cu, Ga, and Zr. T...
Invention Battery bank unit, remaining charge time calculation method, and remaining charge time calculatio...
Invention Gas sensor, method of producing gas sensor and gas measuring apparatus. A gas sensor includes a ...
Invention Glass ceramic and electronic component. A glass ceramic includes feldspar crystal phases, non-cr...
Invention Electronic component. An electronic component includes a glass ceramic layer and a conductor lay...
Invention Backup power supply device and method for charging and discharging the same. A backup power supp...
Invention Non-reciprocal circuit element and communication apparatus having the same. Disclosed herein is ...
Invention Backup power supply device and method for charging and discharging the same. A backup power suppl...
Invention Devices and methods for overloading protection of piezoelectric material mounted on wheels. Sens...
Invention Coil component. Disclosed herein is a coil component that includes a first conductor layer, one ...
G/S Magnetic sensors; sensors for measuring magnetic field; magnetometers
Invention Charging method and backup power supply device. A charging method for supplementarily charging a...
Invention Non-aqueous electrolyte battery. An electrode body housed, in a cylindrical battery can, in a sp...
Invention Dielectric composition and electronic component. A dielectric composition includes a main compon...
Invention Electronic component. An electronic component includes an element body, a plurality of external ...
G/S Sensors for measuring particles and ultrafine particles; Electric or electronic sensors for measu...
Invention Charging method and backup power supply device. A charging method for supplementarily charging a ...
Invention Fluorine-containing compound and contrast agent. This fluorine-containing compound is represented...
G/S Microfluidic chips; Microfluidic chips for laboratory or research purposes; Microfluidic chips fo...
G/S Batteries
2021 Invention Magnetization rotational element, magnetoresistive effect element, and magnetic memory. A magneti...
Invention Memory controller and flash memory system. A memory controller according to one embodiment of the...
Invention Memory controller and flash memory system. A memory controller according to an embodiment of the ...
Invention Magnetoresistance effect element. This magnetoresistance effect element is provided with a first ...
G/S Electric actuators; Piezoelectric actuators; Piezoelectric buzzers; Piezoelectric speakers; Telev...
Invention Stamp tool holding apparatus, stamp tool positioning apparatus, multi-component transfer apparatu...
Invention Samarium-iron-nitrogen based magnet and samarium-iron-nitrogen based magnet powder. A samarium-i...
Invention Solar cell and electronic device having the same. A solar cell covered with a transparent plate ...
Invention Electronic component and manufacturing method therefor. An electronic component includes conduct...
G/S (Based on 44(e)) Energy management devices, namely, power controllers, electric controllers, elec...
G/S (Based on Intent to Use) Energy management system consisting of downloadable software, outlets, s...
Invention Pressure sensor. [Problem] To provide a pressure sensor that has a plurality of detection parts ...
Invention Magnetic component, power conversion apparatus, and power conversion system. A transformer inclu...
Invention Power transmission device and electric power transmission system. A power transmission device wi...
G/S electromagnetic absorbing and shielding materials, namely, composite metal sheets offer rite and ...
Invention All-solid-state battery. An all-solid-state battery including: a positive electrode layer that h...
2020 Invention Integrated optical device, integrated optical module, and method for manufacturing integrated opt...
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; ...
Invention Parameter setting method and control method for reservoir element. A parameter distribution sett...
Invention Power feeding system and power management device. A power feeding system includes a direct curre...
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 Thin film capacitors for embedding in substrate; capacitors for embedding in substrate; thin film...
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 Blank optical discs; blank magneto-optical discs; blank magnetic tapes; blank floppy discs; blank...
G/S Computer hardware; flash memory computer hardware; silicon disk modules, namely, blank flash-memo...
G/S Semiconductor chips
2005 G/S Video game cartridges and video game discs for use in game consoles and personal computers; blank...
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...