Inventor · disambiguated record
Yifei Gao
Also filed as: GAO YIFEI
6 granted patents·2 pending applications·12 citations·filing 2010–2025
74Inventor score
Files withCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD2TIANJIN HEMAY BIO TECH CO LTD2CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1TIANJIN HEMAY PHARMACEUTICAL CO LTD1UNIV NORTHEAST PETROLEUM1
Top patents by PatentIndex Score
8 records- 0185US8952178B2Thiophene derivativesZHANG HESHENG·Filed 2010·Granted Feb 10, 2015·10 cites·22 claims
- 0273US9630975B2Thiophene derivativesTIANJIN HEMAY BIO-TECH CO LTD·Filed 2014·Granted Apr 25, 2017·2 cites·14 claims
- 0361US10611775B2Thiophene derivativesTIANJIN HEMAY PHARMACEUTICAL CO LTD·Filed 2019·Granted Apr 7, 2020·0 cites·14 claims
- 0455US12322132B2Machine vision detection method, detection apparatus and detection system thereofCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2023·Granted Jun 3, 2025·0 cites·9 claims
- 0553US10385062B2Thiophene derivativesTIANJIN HEMAY BIO TECH CO LTD·Filed 2017·Granted Aug 20, 2019·0 cites·14 claims
- 0653US2025200740A1Defect inspection method, system, and apparatus, device, storage medium, and computer program productCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 0747US2024071111A1Method, apparatus and system for inspecting cell crushCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 0846US11965734B2Method and system for quantitatively evaluating surface roughness of organic pore of kerogen in shaleUNIV NORTHEAST PETROLEUM·Filed 2020·Granted Apr 23, 2024·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Yifei Gao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →