Inventor · disambiguated record
Qin Liu
Also filed as: LIU QIN · Liu qin-xiang
97 granted patents·72 pending applications·801 citations·filing 1996–2025
99Inventor score
Files withLEGEND SILICON CORP29HEWLETT PACKARD DEVELOPMENT CO15ALIPAY HANGZHOU INF TECH CO LTD14EMC IP HOLDING CO LLC14LIU QIN10
Top patents by PatentIndex Score
169 records- 0196US9441122B2Inks including segment copolymer grafted pigments via azide chemistryZHOU ZHANG-LIN·Filed 2012·Granted Sep 13, 2016·10 cites·14 claims
- 0296US6162589ADirect imaging polymer fluid jet orificeHEWLETT PACKARD CO·Filed 1998·Granted Dec 19, 2000·135 cites·17 claims
- 0394US11681652B2Methods, electronic devices and computer program products for accessing dataEMC IP HOLDING CO LLC·Filed 2020·Granted Jun 20, 2023·4 cites·20 claims
- 0494US11349658B2Blockchain data processing method, apparatus, and deviceALIPAY HANGZHOU INF TECH CO LTD·Filed 2021·Granted May 31, 2022·6 cites·13 claims
- 0594US9244326B2Inks including graft copolymer surface-modified pigments via azide chemistryZHOU ZHANG-LIN·Filed 2012·Granted Jan 26, 2016·12 cites·15 claims
- 0694US8896906B2Inks including block copolymer grafted pigments via azide chemistryZHOU ZHANG-LIN·Filed 2011·Granted Nov 25, 2014·8 cites·20 claims
- 0794US6924054B2Fuel supply for a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 2, 2005·110 cites·49 claims
- 0893US11735322B2Systems and methods for ossification center detection and bone age assessmentSHANGHAI UNITED IMAGING INTELLIGENCE CO LTD·Filed 2022·Granted Aug 22, 2023·2 cites·20 claims
- 0993US11455417B2Data processing methods, apparatuses, and devicesALIPAY HANGZHOU INF TECH CO LTD·Filed 2021·Granted Sep 27, 2022·3 cites·20 claims
- 1093US11354448B2Demand trusted device-based data acquisition methods, apparatuses, and devicesALIPAY HANGZHOU INF TECH CO LTD·Filed 2021·Granted Jun 7, 2022·3 cites·17 claims
- 1192USD1104308SNight lightLIU QIN·Filed 2025·Granted Dec 2, 2025·2 cites·1 claims
- 1292USD663687SChargerLiu qin-xiang·Filed 2011·Granted Jul 17, 2012·57 cites·1 claims
- 1391US8652245B2Dual color electronically addressable inkLIU QIN·Filed 2011·Granted Feb 18, 2014·6 cites·13 claims
- 1490US11386191B2Trusted hardware-based identity management methods, apparatuses, and devicesALIPAY HANGZHOU INF TECH CO LTD·Filed 2021·Granted Jul 12, 2022·2 cites·15 claims
- 1590US8331014B2Pigment-based inksLIU QIN·Filed 2010·Granted Dec 11, 2012·5 cites·19 claims
- 1689US11513718B2Method, electronic device and computer program product for configuring buffer size associated with backup threadsEMC IP HOLDING CO LLC·Filed 2021·Granted Nov 29, 2022·2 cites·17 claims
- 1787USD1089798SNight lightLIU QIN·Filed 2025·Granted Aug 19, 2025·1 cites·1 claims
- 1887US8770736B2Inkjet ink composition containing anti-kogation agentsVASUDEVAN SUNDAR·Filed 2009·Granted Jul 8, 2014·7 cites·16 claims
- 1987US6447102B1Direct imaging polymer fluid jet orificeHEWLETT PACKARD CO·Filed 2000·Granted Sep 10, 2002·28 cites·8 claims
- 2086US11790188B2Positioning method, positioning system, and tagBOE TECHNOLOGY GROUP CO LTD·Filed 2020·Granted Oct 17, 2023·2 cites·12 claims
- 2186US11704105B2Method, device, and computer program product for managing virtual machine upgradeEMC IP HOLDING CO LLC·Filed 2020·Granted Jul 18, 2023·2 cites·12 claims
- 2285US9939975B2Determining touch terminal and active stylus target operating frequency according to noise informationSHENZHEN GOODIX TECH CO LTD·Filed 2014·Granted Apr 10, 2018·10 cites·35 claims
- 2385US7382512B2Resistivity phase change materialCHEN ZHIZHANG·Filed 2005·Granted Jun 3, 2008·10 cites·28 claims
- 2485US6623786B2Method for hydrogel surface treatmentNOVARTIS AG·Filed 2001·Granted Sep 23, 2003·31 cites·16 claims
- 2584US11126739B2Invoice access method and apparatus based on blockchain, and electronic deviceADVANCED NEW TECHNOLOGIES CO LTD·Filed 2021·Granted Sep 21, 2021·2 cites·18 claims
- 2684US6718632B2Method of making a fluid-jet ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 13, 2004·21 cites·7 claims
- 2784US6630829B1Gradient coil set capable of producing a variable field of viewGE MED SYS GLOBAL TECH CO LLC·Filed 2002·Granted Oct 7, 2003·28 cites·32 claims
- 2883US9095524B2Customized compositions and uses thereofBOND UNIVERSITY LTD·Filed 2012·Granted Aug 4, 2015·14 cites·11 claims
- 2982US11604704B2Method, device and computer program product for data backupEMC IP HOLDING CO LLC·Filed 2020·Granted Mar 14, 2023·2 cites·20 claims
- 3082US9619024B2Virtual input device and virtual input methodBEIJING TRANSBORDER INFORMATION TECH CO LTD·Filed 2015·Granted Apr 11, 2017·8 cites·19 claims
- 3182US6790416B2Hydrogen generation systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 14, 2004·21 cites·13 claims
- 3282US2024207202A1Combination therapies targeting mitochondrial biogenesis for cancer therapyWISTAR INST·Filed 2023·Application pending·0 cites
- 3381US10250613B2Data access method based on cloud computing platform, and user terminalTENCENT TECH SHENZHEN CO LTD·Filed 2016·Granted Apr 2, 2019·4 cites·15 claims
- 3481US7339376B2MRI/MRS gradient coil with integrated cooling circuitsGEN ELECTRIC·Filed 2006·Granted Mar 4, 2008·10 cites·20 claims
- 3580US11362815B2Trusted data transmission methods, apparatuses, and devicesALIPAY HANGZHOU INF TECH CO LTD·Filed 2021·Granted Jun 14, 2022·1 cites·15 claims
- 3679USD1089363SPhotographic cameraORBBEC INC·Filed 2025·Granted Aug 19, 2025·1 cites·1 claims
- 3778US6118903AImage compression method and apparatus which satisfies a predefined bit budgetNOKIA MOBILE PHONES LTD·Filed 1998·Granted Sep 12, 2000·58 cites·8 claims
- 3875US11507471B2Method, apparatus and computer program product for managing backup systemEMC IP HOLDING CO LLC·Filed 2020·Granted Nov 22, 2022·1 cites·17 claims
- 3973US9471980B2Image processing apparatus, image processing method thereof, and image processing system thereofSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Oct 18, 2016·6 cites·20 claims
- 4073US7587976B2Printing apparatus having fixing mechanism including air pipe assemblySHENZHEN FUTAIHONG PREC IND CO·Filed 2007·Granted Sep 15, 2009·2 cites·8 claims
- 4173US6137824AMethod for estimating signal and noise quality, and a receiverNOKIA TELECOMMUNICATIONS OY·Filed 1996·Granted Oct 24, 2000·47 cites·23 claims
- 4273US2012073001A1Methods and compositions for treating or preventing pruritisDONG XINZHONG·Filed 2009·Application pending·0 cites
- 4372US6481832B2Fluid-jet ejection deviceHEWLETT PACKARD CO·Filed 2001·Granted Nov 19, 2002·11 cites·13 claims
- 4472US2023181489A1Combination therapies targeting mitochondrial biogenesis for cancer therapyWISTAR INST·Filed 2022·Application pending·0 cites
- 4571US10076300B2Radiographic imaging apparatus and a method of controlling the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Sep 18, 2018·2 cites·28 claims
- 4670USD1091668SPhotographic cameraORBBEC INC·Filed 2025·Granted Sep 2, 2025·0 cites·1 claims
- 4770US7102350B2Shielding apparatus for magnetic resonance imagingGEN ELECTRIC·Filed 2004·Granted Sep 5, 2006·15 cites·17 claims
- 4870US6680612B1Gradient coil apparatus for magnetic resonance imagingGE MED SYS GLOBAL TECH CO LLC·Filed 2002·Granted Jan 20, 2004·14 cites·25 claims
- 4970US6179413B1High durability polymide-containing printhead system and method for making the sameHEWLETT PACKARD CO·Filed 1997·Granted Jan 30, 2001·27 cites·11 claims
- 5068US10377909B2Inks including segment copolymer grafted pigments via azide chemistryHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Aug 13, 2019·0 cites·16 claims
Showing the top 50 of 169 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →