Inventor · disambiguated record

Fei Liu

Also filed as: LIU FEI · Liu fei yang

27 granted patents·19 pending applications·9 citations·filing 2010–2025

92Inventor score

Technology areasA61K C07D A61P C07B C07C

Files withCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD25 NORATECH PHARMACEUTICALS INC5 GERBERA THERAPEUTICS INC2 NANJING MINOVA PHARMACEUTICAL CO LTD2 NANJING NORATECH PHARMACEUTICAL CO LTD2

Top patents by PatentIndex Score

46 records

0185US12319689B2Methyl- and trifluoromethyl-containing disubstituted sulfonamide selective BCL-2 inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2020·Granted Jun 3, 2025·2 cites·20 claims
0281US10376512B1Crystal of aniline pyrimidine compound of trifluoroethyl substituted indole and salt thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2018·Granted Aug 13, 2019·2 cites·14 claims
0381US10080746B2Donepezil derivative and use thereofNORATECH PHARMACEUTICALS INC·Filed 2015·Granted Sep 25, 2018·2 cites·8 claims
0475US10913721B2Crystalline form of aripiprazoleNORATECH PHARMACEUTICALS INC·Filed 2016·Granted Feb 9, 2021·2 cites·7 claims
0571US12433887B2Aripiprazole injectable suspension formulation having prolonged shelf lifeNANJING NORATECH PHARMACEUTICALS CO LTD·Filed 2023·Granted Oct 7, 2025·0 cites·19 claims
0670US10231973B2Salts of quinazoline derivative and method for preparing the sameCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2016·Granted Mar 19, 2019·1 cites·14 claims
0764US11773079B2Crystalline forms of 4-(tert-butoxyamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amineCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2021·Granted Oct 3, 2023·0 cites·12 claims
0862US11021464B2Crystalline forms of 4-(tert-butoxyamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amine methanesulfonic acid saltCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2018·Granted Jun 1, 2021·0 cites·20 claims
0962US10632111B2Donepezil derivative and use thereofNORATECH PHARMACEUTICALS INC·Filed 2018·Granted Apr 28, 2020·0 cites·14 claims
1061US2025034165A1Compound containing cycloalkyl or haloalkylCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2022·Application pending·0 cites
1161US2024287110A1Phosphate of trifluoromethyl-substituted sulfonamide compoundCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2022·Application pending·0 cites
1261US2025257064A1Trifluoromethyl-substituted sulfonamide as bcl-2-selective inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2025·Application pending·0 cites
1359US2025295609A1Compound having anti-androgen receptor activity, and use thereofNANJING MINOVA PHARMACEUTICAL CO LTD·Filed 2023·Application pending·0 cites
1458US2023265044A1Salt of demethyl tramadol and use thereofNANJING NORATECH PHARMACEUTICAL CO LTD·Filed 2021·Application pending·0 cites
1557US10961203B2Crystalline forms of 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-phenylamino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinoneALLGENESIS BIOTHERAPEUTICS INC·Filed 2019·Granted Mar 30, 2021·0 cites·20 claims
1657US2020338519A1Method for preparing liposomeCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2020·Application pending·0 cites
1757US2025101378A1Culture medium and culture method for mammary epithelial cells, and use of mammary epithelial cellsPRECEDO PHARMACEUTICALS CO LTD·Filed 2022·Application pending·0 cites
1856US2020361908A1Crystals of aniline pyrimidine compound serving as egfr inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2020·Application pending·0 cites
1956US2025002472A1Pyridyl-containing compoundCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2022·Application pending·0 cites
2055US2024182446A1Tyk2 inhibitor compound containing bicyclic ringCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2022·Application pending·0 cites
2155US2024132536A1Crystal form of 3-hydroxy-5-pregnane-20-one derivative, and preparation method therefor and use thereofGERBERA THERAPEUTICS INC·Filed 2022·Application pending·0 cites
2253US11786522B2Aripiprazole injectable suspension formulation having prolonged shelf lifeNANJING NORATECH PHARMACEUTICALS CO LTD·Filed 2016·Granted Oct 17, 2023·0 cites·4 claims
2353US10858340B2Crystal of salt of quinazoline derivativeCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2017·Granted Dec 8, 2020·0 cites·21 claims
2452US12371431B2Trifluoromethyl-substituted sulfonamide as BCL-2-selective inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2019·Granted Jul 29, 2025·0 cites·20 claims
2552US12187710B2Salt of Syk inhibitor and crystalline form thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2019·Granted Jan 7, 2025·0 cites·17 claims
2650US12358913B2Crystal of diarylthiohydantoin compoundCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2020·Granted Jul 15, 2025·0 cites·9 claims
2750US2024383942A1Water-soluble allopregnanolone derivative, and preparation method therefor and use thereofNANJING MINOVA PHARMACEUTICAL CO LTD·Filed 2022·Application pending·0 cites
2849US11279676B2Crystalline of compound as c-Met kinase inhibitor and preparation method therefor and use thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2019·Granted Mar 22, 2022·0 cites·18 claims
2949US10745363B2Crystal forms of valsartan disodium saltNORATECH PHARMACEUTICALS INC·Filed 2016·Granted Aug 18, 2020·0 cites·29 claims
3049US2021275443A1Sustained-release injection preparation containing donepezil derivativeNANJING NORATECH PHARMACEUTICAL CO LTD·Filed 2019·Application pending·0 cites
3149US2018361342A1Method for Preparing LiposomeCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2016·Application pending·0 cites
3248US10683260B2Crystalline form of sacubitril sodium saltNORATECH PHARMACEUTICALS INC·Filed 2016·Granted Jun 16, 2020·0 cites·19 claims
3348US8569322B2Lamivudine oxalate and preparation method thereofLIU YANLONG·Filed 2010·Granted Oct 29, 2013·0 cites·11 claims
3447US11376274B2Joint cavity injection preparation and use thereofSHANDONG ACAD PHARMACEUTICAL SCIENCES·Filed 2019·Granted Jul 5, 2022·0 cites·12 claims
3547US10851071B2M-dihydroxybenzene derivative crystal and salt, and manufacturing method thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2017·Granted Dec 1, 2020·0 cites·18 claims
3647US2022289788A13-hydroxy-5-pregnane-20-one derivative and use thereofGERBERA THERAPEUTICS INC·Filed 2020·Application pending·0 cites
3746US2019256497A1Crystals of aniline pyrimidine compound serving as egfr inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2017·Application pending·0 cites
3845US10501468B2Method for preparing intermediate of 6-arylaminopyridonecarboxamide compound as MEK inhibitorCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2017·Granted Dec 10, 2019·0 cites·18 claims
3943US2024207396A1Oligosaccharide vaccine for specific prevention of fungal infections and method for preparing sameSHANDONG ACAD PHARMACEUTICAL SCIENCES·Filed 2021·Application pending·0 cites
4041US11098060B2Macrocycle containing aminopyrazole and pyrimidine and pharmaceutical composition and use thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2018·Granted Aug 24, 2021·0 cites·20 claims
4141US10023582B26-aryl amino pyridone formamide compound crystal and preparation method thereforCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2015·Granted Jul 17, 2018·0 cites·17 claims
4241US2017073292A1Synthesis of diketone compounds from carbohydratesRHODIA OPERATIONS·Filed 2014·Application pending·0 cites
4339US10450328B2Crystals of thiadiazole derivative DPP-IV inhibitors and uses thereofCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2016·Granted Oct 22, 2019·0 cites·20 claims
4439US2020199097A1Pomalidomide derivative and preparation method thereforNANJING NORATECH PARMACEUTICALS CO LTD·Filed 2017·Application pending·0 cites
4538US12358891B2Crystals of quinolone derivativesCHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD·Filed 2020·Granted Jul 15, 2025·0 cites·16 claims
4637US10351825B2Mesenchymal stem cells derived from induced pluripotent stem cellsTEXAS A & M UNIV SYS·Filed 2015·Granted Jul 16, 2019·0 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →