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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#3,548 in Tokyo
#8,932 in Japan
Kansei Company
Forward Citations = 7
9 inventors:
Kansei Company
% Expired Patents = 66.7
CIPO Patents = 2
EPO Patents = 3
Forward Citations = 7
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9 inventors (with patents filed for the assignee):
Kenji Hasegawa (3 out of 43 patents)
Motonobu Ito (3 out of 3 patents)
Hiroshi Komatsu (2 out of 5 patents)
4. Kazuhiro Yamanouchi (2 out of 2 patents)
5. Iwao Ito (2 out of 2 patents)
6. Tamotsu Kikuchi (1 out of 1 patent)
7. Takato Aoyama (1 out of 1 patent)
8. Takaaki Odate (1 out of 1 patent)
9. Osamu Igawa (1 out of 1 patent)
10. Osamu Igawa (0 patent)
11. Hiroshi Komatsu (2 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kansei Company. Retrieved from https://idiyas.com/company/kansei-company
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]
2 patents (CIPO):
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]
3 patents (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]