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USPTO Data Jan 1 1976 - Nov 10 2026
3 Patents
#3,559 in Tokyo
#8,951 in Japan
Epx Corporation
Forward Citations = 3
5 inventors:
Epx Corporation
Calculating rank
% Expired Patents = 100.0
Forward Citations = 3
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5 inventors (with patents filed for the assignee):
Frank A Fitz (2 out of 8 patents)
Wayne K Higashi (2 out of 8 patents)
Takayuki Miyazaki (1 out of 55 patents)
4. Hiroshi Kumagai (1 out of 5 patents)
5. Paul B Pires (1 out of 9 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Epx Corporation. Retrieved from https://idiyas.com/company/epx
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]