This inventor holds 5 USPTO granted patents. Top assignees: Ryobi Limited, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1994-1998.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotake Usui. Retrieved from https://idiyas.com/inventor/hirotake-usui
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 3.9
ph-index = 4
Forward Citations = 41(Granted Patents)
Location History:
- Tokyo, JP (1994 - 1997)
- Chiyoda-ku, JP (1998)
- Fuchu, JP (1998)
Company Filing History:
5 out of 546 
Ryobi Limited
1 out of 1,649 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
Years Active: 1994-1998
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5 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotake Usui. Retrieved from https://idiyas.com/inventor/hirotake-usui
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]
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]
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]
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]
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]