This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Shikishima Canvas Kabushiki Kaisha, Shikishima Boseki Kabushiki Kaisha. Active years: 1988-1992.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Hirokawa. Retrieved from https://idiyas.com/inventor/tetsuro-hirokawa-xvmkguda
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 = 2.3
ph-index = 4
Forward Citations = 61(Granted Patents)
Company Filing History:
3 out of 1,326 
Mitsubishi Jukogyo Kabushiki Kaisha
3 out of 5 Shikishima Canvas Kabushiki Kaisha
1 out of 4 Shikishima Boseki Kabushiki Kaisha
where one patent can have more than one assignee
Years Active: 1988-1992
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4 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: Tetsuro Hirokawa. Retrieved from https://idiyas.com/inventor/tetsuro-hirokawa-xvmkguda
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]