Shizuo Sumida (1 out of 22 patents)
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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#134 in Hiroshima, 729-3431
#15,759 in Japan
Shizuo Sumida
Forward Citations = 9
1 inventor:
Shizuo Sumida
% Expired Patents = 100.0
Forward Citations = 9
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1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shizuo Sumida. Retrieved from https://idiyas.com/company/shizuo-sumida
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]