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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#374 in Kyoto 615-0031
#15,759 in Japan
Katsuhiko Oka
Forward Citations = 0
3 inventors:
Katsuhiko Oka
Forward Citations = 0
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3 inventors (with patents filed for the assignee):
Yoshihiko Yokoi (1 out of 9 patents)
Katsuhiko Oka (1 out of 1 patent)
Kazumi Akita (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Katsuhiko Oka. Retrieved from https://idiyas.com/company/katsuhiko-oka
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]