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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#1,658 in Osaka
#15,762 in Japan
Nippon Katan Co., Ltd.
Forward Citations = 1
13 inventors:
Nippon Katan Co., Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 1
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13 inventors (with patents filed for the assignee):
Kazuhiko Takasu (1 out of 1 patent)
Takashi Chino (1 out of 1 patent)
Osamu Usuda (1 out of 1 patent)
4. Tomoyasu Hasegawa (1 out of 1 patent)
5. Kazuhiko Shimoda (1 out of 1 patent)
6. Satoru Doi (1 out of 1 patent)
7. Takehiko Kikuchi (1 out of 2 patents)
8. Katsuyuki Urasawa (1 out of 1 patent)
9. Hiroaki Kanatsuji (1 out of 1 patent)
10. Yoshihiko Ota (1 out of 1 patent)
11. Hiroki Sakamoto (1 out of 1 patent)
12. Ryoji Matsushita (1 out of 1 patent)
13. Toshio Watanabe (1 out of 28 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Katan Co., Ltd.. Retrieved from https://idiyas.com/company/nippon-katan-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]
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]