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USPTO Data Jan 1 1976 - Nov 3 2026
2 Patents
#279 in Tainan
#4,257 in Taiwan
Yicheng Precision Inc.
Forward Citations = 2
5 inventors:
Yicheng Precision Inc.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 2
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5 inventors (with patents filed for the assignee):
Chung-Lin Chia (2 out of 24 patents)
Han-Chang Chen (2 out of 22 patents)
Jen-Chieh Chang (2 out of 14 patents)
4. Yen-Hung Tu (2 out of 23 patents)
5. Chih-Wen Wu (2 out of 11 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yicheng Precision Inc.. Retrieved from https://idiyas.com/company/yicheng-precision
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]