This inventor holds 4 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Mitsui Petrochemical Industries, Ltd.. Active years: 1995-1997.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidefumi Gohhara. Retrieved from https://idiyas.com/inventor/hidefumi-gohhara
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 = 8.5
ph-index = 4
Forward Citations = 110(Granted Patents)
Company Filing History:
4 out of 28,940 
Ricoh Company, Ltd.
1 out of 1,008 Mitsui Petrochemical Industries, Ltd.
where one patent can have more than one assignee
Years Active: 1995-1997
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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: Hidefumi Gohhara. Retrieved from https://idiyas.com/inventor/hidefumi-gohhara
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]