Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6,102 in Tokyo
#15,759 in Japan
Seikgaka Corporation
Forward Citations = 50
3 inventors:
Seikgaka Corporation
Forward Citations = 50
Loading Chart...
Loading Chart...
3 inventors (with patents filed for the assignee):
Hideo Mochizuki (1 out of 9 patents)
Akio Hamai (1 out of 3 patents)
Nobukazu Hashimoto (1 out of 4 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seikgaka Corporation. Retrieved from https://idiyas.com/company/seikgaka
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]