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USPTO Data Jan 1 1976 - Nov 3 2026
3 Patents
#139 in Nagoya
#8,945 in Japan
Aichi-Prefectural Government
Forward Citations = 2
14 inventors:
Aichi-Prefectural Government
Calculating rank
% Expired Patents = 66.7
EPO Patents = 1
Forward Citations = 2
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14 inventors (with patents filed for the assignee):
Naosuke Maruyama (1 out of 42 patents)
Takashi Norihisa (1 out of 13 patents)
Riki Kitano (1 out of 8 patents)
4. Fumihiro Itoigawa (1 out of 5 patents)
5. Eiji Ueno (1 out of 1 patent)
6. Haruhiko Miyagawa (1 out of 8 patents)
7. Kazuhisa Hayakawa (1 out of 26 patents)
8. Keiichi Kawata (1 out of 1 patent)
9. Kazumasa Ishikawa (1 out of 1 patent)
10. Soji Tanioka (1 out of 11 patents)
11. Hidenori Tsuduki (1 out of 1 patent)
12. Tsuyoshi Shikano (1 out of 1 patent)
13. Hiroshi Kawamura (1 out of 1 patent)
14. Tsuneo Hayata (1 out of 1 patent)
15. Hidenori c/o Owari Textile Res Center Tsuduki (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aichi-Prefectural Government. Retrieved from https://idiyas.com/company/aichi-prefectural-government
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]
1 patent (EPO):
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]