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USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#3,552 in Tokyo
#8,938 in Japan
Yonex Co., Ltd.
Forward Citations = 2
7 inventors:
Yonex Co., Ltd.
Calculating rank
% Expired Patents = 33.3
EPO Patents = 7
Forward Citations = 2
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7 inventors (with patents filed for the assignee):
Naoto Ogawa (2 out of 5 patents)
Masato Kawabata (1 out of 3 patents)
Ryoichi Hanawa (1 out of 1 patent)
4. Toru Hiraga (1 out of 1 patent)
5. Yosuke Yamanaka (1 out of 2 patents)
6. Kazuya Otani (1 out of 1 patent)
7. Taketoshi Goto (1 out of 2 patents)
8. Shinichiro Chiba (1 patent)
9. Akinori Sano (1 patent)
10. Nao Inoue (3 patents)
11. Koji Nagasawa (2 patents)
12. Katsutoshi Oki (0 patent)
13. Takumi Sakaguchi (0 patent)
14. Keisuke Ozawa (0 patent)
15. Hitoshi Kato (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yonex Co., Ltd.. Retrieved from https://idiyas.com/company/yonex-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]
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]
7 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]