Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#1,148 in Osaka
#11,147 in Japan
Koyo Seiko., Ltd.
Forward Citations = 8
4 inventors:
Koyo Seiko., Ltd.
Calculating rank
Forward Citations = 8
Loading Chart...
Loading Chart...
4 inventors (with patents filed for the assignee):
Susumu Imagaki (1 out of 17 patents)
Yoshikazu Kuroumaru (1 out of 10 patents)
Noboru Minamoto (1 out of 7 patents)
4. Koji Yoshioka (1 out of 2 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koyo Seiko., Ltd.. Retrieved from https://idiyas.com/company/koyo-seiko
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]