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USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#195 in Nagano
#15,755 in Japan
Koyama Co., Ltd.
Forward Citations = 6
5 inventors:
Koyama Co., Ltd.
Calculating rank
Forward Citations = 6
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5 inventors (with patents filed for the assignee):
Hiroki Shimizu (1 out of 6 patents)
Yuki Tachibana (1 out of 2 patents)
Yoshiro Shina (1 out of 1 patent)
4. Makoto Miyasaka (1 out of 1 patent)
5. Daisuke Shinkai (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koyama Co., Ltd.. Retrieved from https://idiyas.com/company/koyama-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]