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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#2 in Shiroi
#15,745 in Japan
Sofken Co., Ltd.
Forward Citations = 0
3 inventors:
Sofken Co., Ltd.
Forward Citations = 0
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3 inventors (with patents filed for the assignee):
Yuji Nishizawa (1 out of 6 patents)
Takeo Komamura (1 out of 4 patents)
Kenzo Komamura (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sofken Co., Ltd.. Retrieved from https://idiyas.com/company/sofken
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]