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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#263 in Saitama 343-0827
#15,759 in Japan
Sekisui Polymatch Co., Ltd.
Forward Citations = 2
3 inventors:
Sekisui Polymatch Co., Ltd.
Forward Citations = 2
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3 inventors (with patents filed for the assignee):
Yasuyoshi Watanabe (1 out of 5 patents)
Yoshiya Sakaguchi (1 out of 14 patents)
Masafumi Nakayama (1 out of 5 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sekisui Polymatch Co., Ltd.. Retrieved from https://idiyas.com/company/sekisui-polymatch-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]