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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#1 in Kako-gun, Hyogo 675-0145
#11,147 in Japan
Sumitomo Seika Chemicals Co., Ltd.
Forward Citations = 0
4 inventors:
Sumitomo Seika Chemicals Co., Ltd.
Calculating rank
EPO Patents = 1
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Miki Sakoda (1 out of 2 patents)
Yuika Imamura (1 out of 3 patents)
Akira Kimura (1 out of 1 patent)
4. Masahiro Murakami (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Seika Chemicals Co., Ltd.. Retrieved from https://idiyas.com/company/sumitomo-seika-chemicals
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]
1 patent (EPO):
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]