Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#143 in Nagano
#11,133 in Japan
Sankyo Seiki Mfg., Ltd.
Forward Citations = 19
5 inventors:
Sankyo Seiki Mfg., Ltd.
% Expired Patents = 50.0
Forward Citations = 19
Loading Chart...
Loading Chart...
5 inventors (with patents filed for the assignee):
Hideki Kanebako (1 out of 20 patents)
Jun Yamashita (1 out of 8 patents)
Yohji Okada (1 out of 8 patents)
4. Hiroshi Sakashita (1 out of 22 patents)
5. Yukio Fukuda (1 out of 2 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sankyo Seiki Mfg., Ltd.. Retrieved from https://idiyas.com/company/sankyo-seiki-mfg
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]