Inventor · disambiguated record
Lifeng Liu
Also filed as: LIU LIFENG
44 granted patents·22 pending applications·227 citations·filing 2007–2024
97Inventor score
Top patents by PatentIndex Score
66 records- 0195US10592785B2Integrated system for detection of driver conditionFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Mar 17, 2020·42 cites·16 claims
- 0294US9393694B2System and method for robust calibration between a machine vision system and a robotWALLACK AARON S·Filed 2010·Granted Jul 19, 2016·23 cites·16 claims
- 0390US8442304B2System and method for three-dimensional alignment of objects using machine visionMARRION CYRIL C·Filed 2008·Granted May 14, 2013·54 cites·27 claims
- 0488US11423721B2Methods and systems for controlling an intelligent deviceYUNDING NETWORK TECH BEIJING CO LTD·Filed 2021·Granted Aug 23, 2022·3 cites·20 claims
- 0587US8600192B2System and method for finding correspondence between cameras in a three-dimensional vision systemLIU LIFENG·Filed 2010·Granted Dec 3, 2013·15 cites·23 claims
- 0686US8418242B2Method, system, and device for negotiating SA on IPv6 networkZHANG DONG·Filed 2011·Granted Apr 9, 2013·11 cites·12 claims
- 0785US12307844B2Methods and systems for controlling an intelligent deviceYUNDING NETWORK TECH BEIJING CO LTD·Filed 2024·Granted May 20, 2025·0 cites·20 claims
- 0885US9124873B2System and method for finding correspondence between cameras in a three-dimensional vision systemCOGNEX CORP·Filed 2013·Granted Sep 1, 2015·11 cites·16 claims
- 0983US11488322B2System and method for training a model in a plurality of non-perspective cameras and determining 3D pose of an object at runtime with the sameLIU LIFENG·Filed 2010·Granted Nov 1, 2022·8 cites·19 claims
- 1083US10421189B2System and method for robust calibration between a machine vision system and a robotCOGNEX CORP·Filed 2015·Granted Sep 24, 2019·4 cites·7 claims
- 1183US10076842B2Simultaneous kinematic and hand-eye calibrationCOGNEX CORP·Filed 2016·Granted Sep 18, 2018·4 cites·30 claims
- 1282US11243944B2Dynamic semantic networks for language understanding and question answeringFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Feb 8, 2022·4 cites·17 claims
- 1378US8549286B2Method and system for forwarding data between private networksLIU LIFENG·Filed 2010·Granted Oct 1, 2013·7 cites·7 claims
- 1478US8243716B2System and method for preventing spam over internet telephonyLIU LIFENG·Filed 2007·Granted Aug 14, 2012·10 cites·2 claims
- 1575US11070793B2Machine vision system calibrationCOGNEX CORP·Filed 2016·Granted Jul 20, 2021·2 cites·16 claims
- 1672US11989989B2Methods and systems for controlling an intelligent deviceYUNDING NETWORK TECH BEIJING CO LTD·Filed 2022·Granted May 21, 2024·0 cites·14 claims
- 1771US8499146B2Method and device for preventing network attacksFENG HONGYAN·Filed 2011·Granted Jul 30, 2013·8 cites·5 claims
- 1870US8880891B2Method, system and apparatus for establishing communicationLIU LIFENG·Filed 2010·Granted Nov 4, 2014·3 cites·10 claims
- 1968US12406090B2Data management system to track and distribute public data collection with user privacy protection and event token exchangeHUAWEI TECH CO LTD·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 2067US11077557B2System and method for robust calibration between a machine vision system and a robotCOGNEX CORP·Filed 2018·Granted Aug 3, 2021·0 cites·13 claims
- 2167US10097811B2Multi-part corresponder for multiple camerasCOGNEX CORP·Filed 2012·Granted Oct 9, 2018·1 cites·17 claims
- 2267US7904954B2Method, device and security control system for controlling communication border securityHUAWEI TECH CO LTD·Filed 2007·Granted Mar 8, 2011·3 cites·13 claims
- 2365US8963275B2Resistive-switching device capable of implementing multiary addition operation and method for multiary addition operationUNIV BEIJING·Filed 2012·Granted Feb 24, 2015·1 cites·8 claims
- 2465US2022007007A1Machine vision system calibrationCOGNEX CORP·Filed 2021·Application pending·0 cites
- 2564US10290118B2System and method for tying together machine vision coordinate spaces in a guided assembly environmentCOGNEX CORP·Filed 2016·Granted May 14, 2019·1 cites·20 claims
- 2664US8924321B2Three-layered neuron devices for neural network with reset voltage pulseKANG JINFENG·Filed 2011·Granted Dec 30, 2014·4 cites·14 claims
- 2763US2024243370A1Alkali metal anodeINL INT IBERIAN NANOTECHNOLOGY LABORATORY·Filed 2022·Application pending·0 cites
- 2862US8769287B2Method, system, and device for obtaining keysHUANG MIN·Filed 2010·Granted Jul 1, 2014·2 cites·13 claims
- 2960US9196380B2Method for measuring data retention characteristic of resistive random access memory deviceUNIV BEIJING·Filed 2012·Granted Nov 24, 2015·2 cites·17 claims
- 3059US10864639B2Simultaneous kinematic and hand-eye calibrationCOGNEX CORP·Filed 2019·Granted Dec 15, 2020·0 cites·16 claims
- 3159US9047937B2Resistive random access memory device, method for manufacturing the same, and method for operating the sameKANG JINFENG·Filed 2011·Granted Jun 2, 2015·3 cites·4 claims
- 3258US2024418625A1Method, system, and computer-readable medium for operating and monitoring the cleaning of sample processing instrumentsBECKMAN COULTER BIOTECHNOLOGY SUZHOU CO LTD·Filed 2022·Application pending·0 cites
- 3357US12189349B2System and method of efficient, continuous, and safe learning using first principles and constraintsHUAWEI TECH CO LTD·Filed 2021·Granted Jan 7, 2025·0 cites·20 claims
- 3457US11049280B2System and method for tying together machine vision coordinate spaces in a guided assembly environmentCOGNEX CORP·Filed 2019·Granted Jun 29, 2021·0 cites·23 claims
- 3555US2025197275A1High-magnesium glass fiber composition with high specific modulus and glass fiberTAISHAN FIBERGLASS INC·Filed 2023·Application pending·0 cites
- 3655US2019015991A1Simultaneous Kinematic and Hand-Eye CalibrationCOGNEX CORP·Filed 2018·Application pending·0 cites
- 3754US2025270227A1Camptothecin derivative, and pharmaceutical composition and use thereofSIMCERE ZAIMING PHARMACEUTICAL CO LTD·Filed 2022·Application pending·0 cites
- 3853US12200138B2System and method of establishing a trusted relationship in a distributed systemHUAWEI TECH CO LTD·Filed 2022·Granted Jan 14, 2025·0 cites·20 claims
- 3952US2023052903A1System and method for multi-task lifelong learning on personal device with improved user experienceHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 4050US12360142B2Resource management and control method and systemMETIS IP SUZHOU LLC·Filed 2019·Granted Jul 15, 2025·0 cites·18 claims
- 4150US2024307415A1Steroid compound, and pharmaceutical composition thereof and use thereofJIANGSU SIMCERE PHARM CO LTD·Filed 2022·Application pending·0 cites
- 4249US2023145793A1Substituted pyrimidine or pyridine amine derivative, composition thereof, and medical use thereofSHANGHAI HAIYAN PHARMACEUTICAL TECH CO LTD·Filed 2021·Application pending·0 cites
- 4348US2010095351A1Method, device for identifying service flows and method, system for protecting against deny of service attackHUAWEI TECH CO LTD·Filed 2009·Application pending·0 cites
- 4447US9534102B2Macromolecule-based conductive composite material and PTC elementSHANGHAI CHANGYUAN WAYON CIRCUIT PROT CO LTD·Filed 2012·Granted Jan 3, 2017·1 cites·18 claims
- 4546US2018327918A1Electrode materialINL INT LBERIAN NANOTECHNOLOGY LABORATORY·Filed 2016·Application pending·0 cites
- 4645US10689287B2Method for efficiently preparing doped optical fibre preform and doped optical fibre preformFIBERHOME TELECOMMUNICATION TECH CO LTD·Filed 2016·Granted Jun 23, 2020·0 cites·12 claims
- 4745US8477774B2Method and system for detecting accessing host contained in network, and statistic and analyzing serverXIN YANG·Filed 2009·Granted Jul 2, 2013·0 cites·12 claims
- 4845US2015079931A1Communications method, device and system in mobile backhaul transport networkHUAWEI TECH CO LTD·Filed 2014·Application pending·0 cites
- 4945US2008222702A1System and method for preventing viruses from intruding into networkLIU LIFENG·Filed 2008·Application pending·0 cites
- 5043US9733900B2Multi-bit full adder based on resistive-switching devices and operation methods thereofUNIV BEIJING·Filed 2013·Granted Aug 15, 2017·0 cites·10 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →