Technical Associate Co., Ltd.

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USPTO Granted Patents = 2

Forward Citations = 32

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3 inventors (with patents filed for the assignee):

Yasuharu Yamada (2 out of 4 patents)

Yasuo Kobayashi (1 out of 17 patents)

Souichi Iizuka (1 out of 3 patents)

2 patents: Sort by Forward Citations

1. 5142869 - Closed cycle type heat engine (1992-09-01),

2. 5030867 - Same polarity induction generator (1991-07-09),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#4,379 in Tokyo

#11,154 in Japan

Tokyo, Japan

Technical Associate Co., Ltd.

Forward Citations = 32

3 inventors:

Yasuharu Yamada (2 out of 4 patents)

Yasuo Kobayashi (1 out of 17 patents)

Souichi Iizuka (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Technical Associate Co., Ltd.. Retrieved from https://idiyas.com/company/technical-associate-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]