Inventor · disambiguated record
Huaqing Liu
Also filed as: LIU HUAQING
25 granted patents·29 pending applications·238 citations·filing 1999–2025
95Inventor score
Top patents by PatentIndex Score
54 records- 0194US8546410B2Heteroaryl-fused macrocyclic pyrimidine derivativesLIU HUAQING·Filed 2009·Granted Oct 1, 2013·45 cites·9 claims
- 0294US8436005B2Macrocyclic pyrimidine derivativesLIU HUAQING·Filed 2009·Granted May 7, 2013·41 cites·10 claims
- 0394US6307047B1Prostaglandin endoperoxide H synthase biosynthesis inhibitorsABBOTT LAB·Filed 1999·Granted Oct 23, 2001·57 cites·10 claims
- 0492US7553964B2Cyclobutyl amine derivativesABBOTT LAB·Filed 2006·Granted Jun 30, 2009·21 cites·17 claims
- 0588US7205316B2Tri- and bi-cyclic heteroaryl histamine-3 receptor ligandsABBOTT LAB·Filed 2005·Granted Apr 17, 2007·7 cites·9 claims
- 0688US6559140B2Cyclic and bicyclic diamino histamine-3 receptor antagonistsABBOTT LAB·Filed 2001·Granted May 6, 2003·24 cites·21 claims
- 0785US7153889B2Bicyclic-substituted amines as histamine-3 receptor ligandsABBOTT LAB·Filed 2003·Granted Dec 26, 2006·18 cites·31 claims
- 0883US10508113B2Inhibitors of tyrosine kinase 2 mediated signalingABBVIE INC·Filed 2019·Granted Dec 17, 2019·3 cites·30 claims
- 0983US8268846B2Amino heterocyclic linked pyrimidine derivativesWAKEFIELD BRIAN D·Filed 2009·Granted Sep 18, 2012·11 cites·6 claims
- 1075US8278313B2Macrocyclic spiro pyrimidine derivativesLIU HUAQING·Filed 2009·Granted Oct 2, 2012·2 cites·6 claims
- 1174US7456196B2Bicyclic-substituted amines as histamine-3 receptor ligandsABBOTT LAB·Filed 2006·Granted Nov 25, 2008·1 cites·27 claims
- 1271US8278311B2Substituted pyrimidine derivativesLIU HUAQING·Filed 2009·Granted Oct 2, 2012·1 cites·10 claims
- 1371US8026240B2Octahydro-pyrrolo[3,4-b]pyrrole N-oxidesABBOTT LAB·Filed 2008·Granted Sep 27, 2011·2 cites·7 claims
- 1470US8153813B2Benzothiazole and benzooxazole derivatives and methods of useBLACK LAWRENCE A·Filed 2008·Granted Apr 10, 2012·1 cites·16 claims
- 1569US7115591B2Prostaglandin endoperoxide H synthase biosynthesis inhibitorsABBOTT LAB·Filed 2003·Granted Oct 3, 2006·2 cites·10 claims
- 1669US7001895B2Prostaglandin endoperoxide H synthase biosynthesis inhibitorsABBOTT LAB·Filed 2003·Granted Feb 21, 2006·2 cites·6 claims
- 1768US2024366769A1Degradation of bruton's tyrosine kinase (btk) by conjugation of btk inhibitors with e3 ligase ligand and methods of useBEIGENE SWITZERLAND GMBH·Filed 2024·Application pending·0 cites
- 1866US2024131167A1EGFR Degraders and Associated Methods of UseBEIGENE SWITZERLAND GMBH·Filed 2023·Application pending·0 cites
- 1966US2025101028A1Heterocyclic compounds, compositions thereof, and methods of treatment therewithBEIGENE LTD·Filed 2024·Application pending·0 cites
- 2066US2024262848A1Heterocyclic compounds, compositions thereof, and methods of treatment therewithBEIGENE LTD·Filed 2024·Application pending·0 cites
- 2163US2024366770A1Degradation of bruton's tyrosine kinase (btk) by conjugation of btk inhibitors with e3 ligase ligand and methods of useBEIGENE SWITZERLAND GMBH·Filed 2024·Application pending·0 cites
- 2261US2025195513A1Degradation of irak4 by conjugation of irak4 inhibitors with e3 ligase ligand and methods of useBEIGENE LTD·Filed 2024·Application pending·0 cites
- 2361US2024368203A1Degradation of (egfr) by conjugation of egfr inhibitors with e3 ligase ligand and methods of useBEIGENE LTD·Filed 2024·Application pending·0 cites
- 2460US2024342292A1Compounds for the Degradation of EGFR KinaseBEIGENE SWITZERLAND GMBH·Filed 2024·Application pending·0 cites
- 2559US2024165243A1Egfr degraders and methods of useBEIGENE SWITZERLAND GMBH·Filed 2022·Application pending·0 cites
- 2658US2009042888A1Prostaglandin endoperoxide H synthase biosynthesis inhibitorsBLACK LAWRENCE A·Filed 2006·Application pending·0 cites
- 2758US2024425523A1Compounds for the Degradation of EGFR KinaseBEIGENE SWITZERLAND GMBH·Filed 2024·Application pending·0 cites
- 2857US2020255423A1Inhibitors of tyrosine kinase 2 mediated signalingABBVIE INC·Filed 2019·Application pending·0 cites
- 2957US2024025902A1Bifunctional compounds for degradation of egfr and related methods of useBEIGENE LTD·Filed 2021·Application pending·0 cites
- 3057US2023248834A1Degradation of (egfr) by conjugation of egfr inhibitors with e3 ligase ligand and methods of useBEIGENE LTD·Filed 2021·Application pending·0 cites
- 3157US2023373960A1Indoline compounds and derivatives as egfr inhibitorsBEIGENE LTD·Filed 2021·Application pending·0 cites
- 3257US2009227593A1Cyclobutyl amine derivativesABBOTT LAB·Filed 2009·Application pending·0 cites
- 3357US2023265116A1Degradation of (egfr) by conjugation of egfr inhibitors with e3 ligase ligand and methods of useBEIGENE LTD·Filed 2021·Application pending·0 cites
- 3456US9108948B2Cyclopropyl amine derivativesLIU HUAQING·Filed 2007·Granted Aug 18, 2015·0 cites·9 claims
- 3553US2024246977A1Degradation of bruton's tyrosine kinase (btk) by conjugation of btk inhibitors with e3 ligase ligand and method of useBEIGENE SWITZERLAND GMBH·Filed 2021·Application pending·0 cites
- 3652US2002028938A1Prostaglandin endoperoxide H synthase biosynthesis inhibitorsFiled 2001·Application pending·0 cites
- 3751US2024207267A1(R)-Glutarimide CRBN Ligands and Methods of UseBEIGENE SWITZERLAND GMBH·Filed 2023·Application pending·0 cites
- 3850US9181275B2Mercaptoamidine derivatives and methods of useCOWART MARLON D·Filed 2012·Granted Nov 10, 2015·0 cites·11 claims
- 3950US2025332266A1Compounds for the degradation of egfr kinaseBEIGENE SWITZERLAND GMBH·Filed 2025·Application pending·0 cites
- 4049US2002013318A1Prostaglandin endoperoxide H synthase biosynthesis inhibitorsFiled 2001·Application pending·0 cites
- 4148US8273767B2Bicyclic-substituted amines as histamine-3 receptor ligandsALTENBACH ROBERT J·Filed 2010·Granted Sep 25, 2012·0 cites·27 claims
- 4248US2025262222A1Heterocyclic compounds, compositions thereof, and methods of treatment therewithBEIGENE SWITZERLAND GMBH·Filed 2025·Application pending·0 cites
- 4347US8829041B2Cyclopropyl amine derivativesLIU HUAQING·Filed 2007·Granted Sep 9, 2014·0 cites·15 claims
- 4447US8580968B2Benzothiazole and benzooxazole derivatives and methods of useBLACK LAWRENCE A·Filed 2012·Granted Nov 12, 2013·0 cites·18 claims
- 4547US2025250287A1Heterocyclic compounds, compositions thereof, and methods of treatment therewithBEIGENE SWITZERLAND GMBH·Filed 2025·Application pending·0 cites
- 4646US8859584B2TRPV1 antagonistsABBVIE INC·Filed 2012·Granted Oct 14, 2014·0 cites·20 claims
- 4744US7985745B2Method for pain treatmentABBOTT LAB·Filed 2007·Granted Jul 26, 2011·0 cites·17 claims
- 4843US2016130282A1Mercaptoamidine derivatives and methods of useABBVIE INC·Filed 2015·Application pending·0 cites
- 4941US2005256309A1Tri-and bi-cyclic heteroaryl histamine-3 receptor ligandsALTENBACH ROBERT J·Filed 2004·Application pending·0 cites
- 5041US2005256118A1Bicyclic-substituted amines having cyclic-substituted monocyclic substituentsALTENBACH ROBERT J·Filed 2004·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Huaqing Liu 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 →