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USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#521 in Taichung
#4,245 in Taiwan
Hong-Fei Chen
Forward Citations = 1
1 inventor:
Hong-Fei Chen
% Expired Patents = 100.0
CIPO Patents = 1
Forward Citations = 1
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1 inventor (with patents filed for the assignee):
Masakazu Ushijima (2 out of 21 patents)
Baojiang Chen (5 patents)
Xin Lv (0 patent)
4. Hongfei Chen (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hong-Fei Chen. Retrieved from https://idiyas.com/company/hong-fei-chen
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]
1 patent (CIPO):
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]