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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#292 in Kyoto 615-0031
#11,139 in Japan
Toshiyuki Sakai
Forward Citations = 1
5 inventors:
Toshiyuki Sakai
% Expired Patents = 100.0
Forward Citations = 1
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5 inventors (with patents filed for the assignee):
Toshiyuki Sakai (2 out of 11 patents)
Shigehide Kagaya (1 out of 1 patent)
Takamichi Sato (1 out of 3 patents)
4. Yoshikazu Sukenaga (1 out of 1 patent)
5. Hideji Fujii (1 out of 9 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiyuki Sakai. Retrieved from https://idiyas.com/company/toshiyuki-sakai
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]