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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#374 in Kyoto 615-0031
#15,732 in Japan
The Ritsumelkan Trust
Forward Citations = 0
5 inventors:
The Ritsumelkan Trust
% Expired Patents = 100.0
Forward Citations = 0
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5 inventors (with patents filed for the assignee):
Takakuni Douseki (1 out of 18 patents)
Kazuma Kitamura (1 out of 1 patent)
Kenichi Sakuma (1 out of 10 patents)
4. Naoto Hanyu (1 out of 7 patents)
5. Hiroshi Fukui (1 out of 92 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Ritsumelkan Trust. Retrieved from https://idiyas.com/company/ritsumelkan-trust
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]