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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#4 in Itamishi
#15,762 in Japan
Sumiden Asahi Industries, Ltd.
Forward Citations = 1
3 inventors:
Sumiden Asahi Industries, Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 1
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3 inventors (with patents filed for the assignee):
Kunihiko Watanabe (1 out of 31 patents)
Shiko Kodama (1 out of 1 patent)
Toshiaki Suzuki (1 out of 16 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumiden Asahi Industries, Ltd.. Retrieved from https://idiyas.com/company/sumiden-asahi-industries
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]