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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#24 in Sagamihara
#15,759 in Japan
Isao Okayasu
Forward Citations = 1
3 inventors:
Isao Okayasu
% Expired Patents = 100.0
Forward Citations = 1
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3 inventors (with patents filed for the assignee):
Mutsunori Fujiwara (1 out of 4 patents)
Isao Okayasu (1 out of 4 patents)
Yuzo Hayashi (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Isao Okayasu. Retrieved from https://idiyas.com/company/isao-okayasu
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]