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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#543 in Kanagawa
#15,762 in Japan
Tokyo Ohka Kogyo C., Ltd.
Forward Citations = 13
3 inventors:
Tokyo Ohka Kogyo C., Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 13
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3 inventors (with patents filed for the assignee):
Akihiko Nakamura (1 out of 46 patents)
Taiichiro Aoki (1 out of 8 patents)
Akinori Nishie (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tokyo Ohka Kogyo C., Ltd.. Retrieved from https://idiyas.com/company/tokyo-ohka-kogyo-c
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]