Foster Electric Company, Limited, based in Tokyo, Japan, specializes in the development and manufacturing of electroacoustic transducers. The company is recognized for its innovative solutions in sound reproduction, focusing on technologies such as speakers, actuators, and vibration devices. Foster Electric is committed to advancing acoustic systems and driver modules, catering to a diverse range of applications in consumer electronics and professional audio equipment. Its expertise positions the company as a key player in the electroacoustic industry.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

76 Patents

#643 in Tokyo

#1,346 in Japan

#9,892 in the World

Tokyo, Japan

Foster Electric Company, Limited

Forward Citations = 780

97 inventors:

Yusuke Chiba (6 out of 7 patents)

Takayuki Tabata (4 out of 4 patents)

Yoshikazu Okazaki (4 out of 4 patents)

4. Hidetoshi Shirakawa (4 out of 4 patents)

5. Hiroshi Sugata (3 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Foster Electric Company, Limited. Retrieved from https://idiyas.com/company/foster-electric-company

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]

10 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]