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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,658 in Osaka
#15,759 in Japan
Kyoko Koizumi
Forward Citations = 0
5 inventors:
Kyoko Koizumi
Forward Citations = 0
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5 inventors (with patents filed for the assignee):
Koki Fujita (1 out of 23 patents)
Koji Hara (1 out of 22 patents)
Nobuhiro Kuwahara (1 out of 11 patents)
4. Sumio Kitahata (1 out of 13 patents)
5. Kyoko Koizumi (1 out of 6 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kyoko Koizumi. Retrieved from https://idiyas.com/company/kyoko-koizumi
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]