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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6,102 in Tokyo 141-0022
#15,759 in Japan
Nippon Closures Co., Ltd.
Forward Citations = 0
15 inventors:
Nippon Closures Co., Ltd.
EPO Patents = 3
Forward Citations = 0
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15 inventors (with patents filed for the assignee):
Yusuke Okubo (1 out of 4 patents)
Takashi Sugiyama (1 out of 1 patent)
Masaharu Ezaki (1 out of 1 patent)
4. Hiroshi Takahashi (226 patents)
5. Mitsuo Kumata (5 patents)
6. Daisuke Tsuchimoto (5 patents)
7. Sei Nakagawa (4 patents)
8. Akio Sato (7 patents)
9. Shin Nakamura (3 patents)
10. Yoshihiro Kaitsuka (1 patent)
11. Yukihito Nozaki (1 patent)
12. Tomoho Kikuchi (1 patent)
13. Kunihiko Hatazawa (1 patent)
14. Keitaro Hayashi (1 patent)
15. Shinji Ooka (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Closures Co., Ltd.. Retrieved from https://idiyas.com/company/nippon-closures
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]
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]