This inventor holds 3 USPTO granted patents. Top assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Mitsubishi Gas Chemical Company, Inc., Mitsubishi Kasei Corporation. Active years: 1989-1994.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Doi. Retrieved from https://idiyas.com/inventor/yoshiharu-doi-5jf030vq
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 = 1.2
ph-index = 3
Forward Citations = 111(Granted Patents)
Company Filing History:
1 out of 1,297 
Asahi Kasei Kogyo Kabushiki Kaisha
1 out of 2,304 
Mitsubishi Gas Chemical Company, Inc.
1 out of 499 Mitsubishi Kasei Corporation
Years Active: 1989-1994
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3 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: Yoshiharu Doi. Retrieved from https://idiyas.com/inventor/yoshiharu-doi-5jf030vq
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]