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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#76 in Fukuoka
#8,922 in Japan
Iri-E Kosan Corporation
Forward Citations = 15
5 inventors:
Iri-E Kosan Corporation
Forward Citations = 15
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5 inventors (with patents filed for the assignee):
Yoshio Tanaka (3 out of 3 patents)
Tatsuo Shibata (3 out of 3 patents)
Tatsuo Matsuo (2 out of 2 patents)
4. Tadao Takashima (2 out of 2 patents)
5. Sankichi Hori (2 out of 3 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Iri-E Kosan Corporation. Retrieved from https://idiyas.com/company/iri-e-kosan
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]