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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#114 in Ibaraki
#15,745 in Japan
Tsuyoshi Shiina
Forward Citations = 1
3 inventors:
Tsuyoshi Shiina
% Expired Patents = 100.0
Forward Citations = 1
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3 inventors (with patents filed for the assignee):
Tsuyoshi Shiina (1 out of 9 patents)
Makoto Yamakawa (1 out of 3 patents)
Naotaka Nitta (1 out of 6 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tsuyoshi Shiina. Retrieved from https://idiyas.com/company/tsuyoshi-shiina
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]