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USPTO Data Jan 1 1976 - Nov 3 2026
2 Patents
#11 in Kochi
#11,143 in Japan
Ryoco Seiki Co., Ltd.
Forward Citations = 26
6 inventors:
Ryoco Seiki Co., Ltd.
Calculating rank
Forward Citations = 26
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6 inventors (with patents filed for the assignee):
Makoto Harano (2 out of 2 patents)
Hiroshi Shimomura (1 out of 22 patents)
Yuko Kitou (1 out of 1 patent)
4. Toshiyuki Sakai (1 out of 1 patent)
5. Kazuo Iizuka (1 out of 3 patents)
6. Akifumi Hamada (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryoco Seiki Co., Ltd.. Retrieved from https://idiyas.com/company/ryoco-seiki-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]