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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,658 in Osaka
#15,759 in Japan
Sumitono Pharmaceutical Company, Limited
Forward Citations = 5
4 inventors:
Sumitono Pharmaceutical Company, Limited
Forward Citations = 5
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4 inventors (with patents filed for the assignee):
Fujio Antoku (1 out of 12 patents)
Atsuyuki Kojima (1 out of 20 patents)
Kikuo Ishizumi (1 out of 29 patents)
4. Isamu Maruyama (1 out of 26 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitono Pharmaceutical Company, Limited. Retrieved from https://idiyas.com/company/sumitono-pharmaceutical-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]