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USPTO Data Jan 1 1976 - Oct 27 2026
4 Patents
#3,057 in Tokyo
#7,587 in Japan
Sunrex Kogyo Co., Ltd.
Forward Citations = 52
3 inventors:
Sunrex Kogyo Co., Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 52
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3 inventors (with patents filed for the assignee):
Kenzo Ito (4 out of 10 patents)
Masahiro Yamamoto (4 out of 7 patents)
Etsuo Yamamoto (4 out of 4 patents)
4 patents:
Company Overview
Sunrex Kogyo Co., Ltd. is a leading manufacturer of input devices such as keyboards, touchpads, and switches. With over 50 years of experience, Sunrex Kogyo has built a reputation for high-quality products and innovative designs. The company serves customers in various industries including consumer electronics, automotive, and medical devices.Visit their website for more information.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sunrex Kogyo Co., Ltd.. Retrieved from https://idiyas.com/company/sunrex-kogyo-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]