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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6,102 in Tokyo
#15,759 in Japan
Ricoh Technosystems Co., Ltd.
Forward Citations = 0
6 inventors:
Ricoh Technosystems Co., Ltd.
% Expired Patents = 100.0
Forward Citations = 0
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6 inventors (with patents filed for the assignee):
Yumi Watanabe (1 out of 20 patents)
Makoto Nakanishi (1 out of 5 patents)
Kenji Kuwana (1 out of 4 patents)
4. Takahisa Hanajima (1 out of 2 patents)
5. Fumikazu Wakaki (1 out of 1 patent)
6. Yukiko Inada (1 out of 3 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ricoh Technosystems Co., Ltd.. Retrieved from https://idiyas.com/company/ricoh-technosystems-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]