This inventor holds 3 USPTO granted patents. Top assignees: Toyo Cci Kabushiki Kaisha, Osaka Petrochemical Industries Ltd., Other. Active years: 1984-1987.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoriyuki Hayashi. Retrieved from https://idiyas.com/inventor/yoriyuki-hayashi
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 = 2.8
ph-index = 3
Forward Citations = 64(Granted Patents)
Company Filing History:
3 out of 3 Toyo Cci Kabushiki Kaisha
1 out of 1 Osaka Petrochemical Industries Ltd.
1 out of 834,513 Other
where one patent can have more than one assignee
Years Active: 1984-1987
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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: Yoriyuki Hayashi. Retrieved from https://idiyas.com/inventor/yoriyuki-hayashi
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]