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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#6,105 in Tokyo
#15,762 in Japan
Ryoen Technical Service Corp.
Forward Citations = 1
10 inventors:
Ryoen Technical Service Corp.
Calculating rank
Forward Citations = 1
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10 inventors (with patents filed for the assignee):
Yoshinori Koyama (1 out of 38 patents)
Katsuhiko Yokohama (1 out of 17 patents)
Masahiro Hirano (1 out of 35 patents)
4. Makoto Susaki (1 out of 14 patents)
5. Kazuo Ishida (1 out of 29 patents)
6. Shintaro Honjo (1 out of 44 patents)
7. Hajime Nagano (1 out of 49 patents)
8. Masahiro Harada (1 out of 12 patents)
9. Hiroshi Suzumura (1 out of 8 patents)
10. Mitsugi Suehiro (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryoen Technical Service Corp.. Retrieved from https://idiyas.com/company/ryoen-technical-service
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]