Tokyo, Japan

Yoshimasa Yamamoto

This inventor holds 2 USPTO granted patents. Top assignees: Daido Kogyo Co., Ltd., Kabushiki Kaisha Kobe Seiko Sho. Active years: 1987-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimasa Yamamoto. Retrieved from https://idiyas.com/inventor/yoshimasa-yamamoto-qae2i2ic

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1987-1995

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2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
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