FDK Corporation, headquartered in Tokyo, Japan, specializes in advanced battery technology, focusing on the development and manufacturing of various battery solutions. The company is known for its expertise in battery packaging, alkaline batteries, and innovative charging systems, catering to diverse applications including backup power supply and power supply systems. FDK is also engaged in research on nickel metal hydride and all-solid-state batteries, positioning itself as a key player in the evolving energy storage landscape.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

223 Patents

#326 in Tokyo

#658 in Japan

#3,835 in the World

Tokyo, Japan

Fdk Corporation

Forward Citations = 801

335 inventors:

Fumiaki Nakao (16 out of 32 patents)

Mikio Kitaoka (15 out of 16 patents)

Yukihiro Yamamoto (10 out of 16 patents)

4. Hirotaka Kawai (10 out of 23 patents)

5. Hiromitsu Umezawa (10 out of 11 patents)

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

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]

74 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]