Inventor · disambiguated record
Hongfeng Li
Also filed as: LI HONGFENG
15 granted patents·3 pending applications·21 citations·filing 2013–2025
86Inventor score
Files withJIANGSU GOLDWIND SCIENCE & TECH CO LTD4SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD3INST OF PETROLEUM CHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES2LI HONGFENG2ZHEJIANG JUHUA TECH CENTER CO LTD2
Top patents by PatentIndex Score
18 records- 0187USD1051064SOutlet extenderLI HONGFENG·Filed 2024·Granted Nov 12, 2024·12 cites·1 claims
- 0278US11255311B2Rotor rotation control system and control method for wind turbineJIANGSU GOLDWIND SCIENCE & TECH CO LTD·Filed 2018·Granted Feb 22, 2022·2 cites·22 claims
- 0375USD970623SToyLI HONGFENG·Filed 2022·Granted Nov 22, 2022·6 cites·1 claims
- 0473US12448290B2Method for producing tetrafluoromethane through plasma pyrolysis of waste polytetrafluoroethyleneUNIV ZHEJIANG·Filed 2024·Granted Oct 21, 2025·0 cites·8 claims
- 0565US11685811B2Heat resistant polyimide filmINST OF PETROLEUM CHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES·Filed 2021·Granted Jun 27, 2023·0 cites·4 claims
- 0665US11162473B2Control method and device for hydraulic control turning system of generator rotorJIANGSU GOLDWIND SCIENCE & TECH CO LTD·Filed 2018·Granted Nov 2, 2021·1 cites·16 claims
- 0757US11028226B2Heat resistant polyimide film and preparation method thereofINST OF PETROLEUM CHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES·Filed 2017·Granted Jun 8, 2021·0 cites·6 claims
- 0857US2025270493A1Medium culturing and observing device and gas circuit control method thereofHUA YUE MEDICAL TECH CO LTD·Filed 2025·Application pending·0 cites
- 0956US12149434B2Data transmission method and apparatusHUAWEI TECH CO LTD·Filed 2022·Granted Nov 19, 2024·0 cites·14 claims
- 1054US11535799B2Liquid crystal composition, liquid crystal display element and liquid crystal displaySHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD·Filed 2020·Granted Dec 27, 2022·0 cites·6 claims
- 1150US2022041933A1Liquid crystal composition, liquid crystal display element and liquid crystal displaySHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD·Filed 2020·Application pending·0 cites
- 1250US2025129000A1Preparation method for perfluoroolefin oligomer and application thereofZHEJIANG JUHUA TECH CENTER CO LTD·Filed 2022·Application pending·0 cites
- 1347US11326580B2System and method for controlling generator rotor locking pinJIANGSU GOLDWIND SCIENCE & TECH CO LTD·Filed 2018·Granted May 10, 2022·0 cites·13 claims
- 1445US11698055B2Self-inspection method and device for hydraulic control turning system of generator rotorJIANGSU GOLDWIND SCIENCE & TECH CO LTD·Filed 2018·Granted Jul 11, 2023·0 cites·10 claims
- 1541US9493704B2Cycloheptane derivative and preparation method and use thereofSHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD·Filed 2013·Granted Nov 15, 2016·0 cites·9 claims
- 1640US11939277B2Continuous preparation method of 2,3,3,3-tetrafluoropropeneZHEJIANG JUHUA TECH CENTER CO LTD·Filed 2019·Granted Mar 26, 2024·0 cites·10 claims
- 1733USD1094563SThrowing dart toyQINGDAO BAONILE HEALTH TECH CO LTD·Filed 2024·Granted Sep 23, 2025·0 cites·1 claims
- 1826US10183903B2Method for preparing 2,3,3,3-tetrafluoropropene using methyl magnesium chlorideJUHUA GROUP TECHNOLOGY CT·Filed 2015·Granted Jan 22, 2019·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →