TDK Corporation, headquartered in Tokyo, Japan, is a leading developer and manufacturer of magnetic components and electronic devices. The company specializes in a range of technologies including magnetic cores, multilayer inductors, gas sensors, and solid-state batteries. TDK's innovations are integral to power conversion and various electronic applications, enhancing performance and efficiency across industries. With a strong focus on research and development, TDK continues to advance its expertise in magnetic sensors and coil components, contributing to the evolution of modern electronics.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

8,257 Patents

#17 in Tokyo

#32 in Japan

#100 in the World

Tokyo, Japan

Tdk Corporation

Forward Citations = 49,448

3,886 inventors:

Koji Shimazawa (209 out of 217 patents)

Tomoyuki Sasaki (207 out of 210 patents)

Yoshitaka Sasaki (149 out of 482 patents)

4. Hiraku Hirabayashi (144 out of 144 patents)

5. Masaaki Togashi (130 out of 131 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tdk Corporation. Retrieved from https://idiyas.com/company/tdk

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

403 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]