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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6,102 in Tokyo
#15,759 in Japan
Ohtomo Chemical Inc., Corp.
Forward Citations = 2
4 inventors:
Ohtomo Chemical Inc., Corp.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 2
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4 inventors (with patents filed for the assignee):
Hideo Kawai (1 out of 2 patents)
Shingo Kaburagi (1 out of 4 patents)
Yoshikazu Uda (1 out of 1 patent)
4. Susumu Takada (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ohtomo Chemical Inc., Corp.. Retrieved from https://idiyas.com/company/ohtomo-chemical
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]