Inventor · disambiguated record
Yan-Fei Liu
Also filed as: LIU YAN · LIU YAN-FEI
107 granted patents·43 pending applications·1,070 citations·filing 1998–2024
99Inventor score
Files withUNIV KINGSTON27LI ZHANMING10WANG HONGLIANG6FUTUREWEI TECHNOLOGIES INC5TENCENT TECH SHENZHEN CO LTD5
Top patents by PatentIndex Score
150 records- 0198US6980783B2Apparatus and method of controlling low frequency load currents drawn from a DC source in a telecommunications systemCIENA CORP·Filed 2002·Granted Dec 27, 2005·187 cites·12 claims
- 0297US10171161B1Machine learning for link parameter identification in an optical communications systemCIENA CORP·Filed 2018·Granted Jan 1, 2019·57 cites·20 claims
- 0397US6344986B1Topology and control method for power factor correctionASTEC INT LTD·Filed 2000·Granted Feb 5, 2002·162 cites·22 claims
- 0496US7612602B2Resonant gate drive circuitsUNIV KINGSTON·Filed 2005·Granted Nov 3, 2009·54 cites·46 claims
- 0593US11451139B2Three-phase single-stage soft-switching AC-DC converter with power factor correctionUNIV KINGSTON·Filed 2020·Granted Sep 20, 2022·5 cites·20 claims
- 0693US10015849B2Ripple cancellation converter with high power factorUNIV KINGSTON·Filed 2016·Granted Jul 3, 2018·10 cites·18 claims
- 0792US10491123B2Modular parallel technique for resonant converterMURATA MANUFACTURING CO·Filed 2016·Granted Nov 26, 2019·10 cites·5 claims
- 0890US9729070B2Interleaved resonant converterGANPOWER INT INC·Filed 2013·Granted Aug 8, 2017·12 cites·19 claims
- 0990US9419510B2Ripple cancellation converter with high power factorQUEEN'S UNIV AT KINGSTON·Filed 2012·Granted Aug 16, 2016·11 cites·21 claims
- 1090US8054058B2DC-DC converter with improved dynamic responseQUEEN S UNIVERISTY AT KINGSTON·Filed 2008·Granted Nov 8, 2011·35 cites·13 claims
- 1190US6771518B2DC convertersPOTENTIA SEMICONDUCTOR INC·Filed 2002·Granted Aug 3, 2004·68 cites·28 claims
- 1289US9000120B2Storage-stable heat-activated tertiary amine catalysts for epoxy resinsMING MING·Filed 2011·Granted Apr 7, 2015·9 cites·3 claims
- 1389US7847025B2Amphiphilic block copolymers and their useAMO GRONINGEN BV·Filed 2005·Granted Dec 7, 2010·34 cites·20 claims
- 1488US9951256B2Storage-stable heat-activated tertiary amine catalysts for epoxy resinsDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Apr 24, 2018·2 cites·2 claims
- 1588US8717717B2High efficiency power regulator and methodMAO HENGCHUN·Filed 2011·Granted May 6, 2014·6 cites·21 claims
- 1687US10444462B2Optical cable wiring system and optical cable connecting componentCOMMSCOPE TELECOMMUNICATIONS SHANGHAI CO LTD·Filed 2015·Granted Oct 15, 2019·7 cites·15 claims
- 1787US9917524B2Energy channelling single stage power converterUNIV KINGSTON·Filed 2015·Granted Mar 13, 2018·6 cites·19 claims
- 1885US7317625B2Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correctionIWATT INC·Filed 2004·Granted Jan 8, 2008·42 cites·9 claims
- 1984US9557507B2Device for fixing wiresADC TELECOMMUNICATIONS (SHANGHAI) DISTRIB CO LTD·Filed 2015·Granted Jan 31, 2017·5 cites·10 claims
- 2083US8085083B2Current-source gate driverZHANG ZHILIANG·Filed 2009·Granted Dec 27, 2011·15 cites·27 claims
- 2183US6850048B2Power supply controllerPOTENTIA SEMICONDUCTOR INC·Filed 2003·Granted Feb 1, 2005·46 cites·27 claims
- 2282US11394307B2Resonant power converters and control methods for wide input and output voltage rangesUNIV KINGSTON·Filed 2019·Granted Jul 19, 2022·3 cites·16 claims
- 2382US10116233B2Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereofCHEN YANG·Filed 2018·Granted Oct 30, 2018·3 cites·23 claims
- 2482US7514913B2Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correctionIWATT INC·Filed 2007·Granted Apr 7, 2009·16 cites·33 claims
- 2582US7277574B2Methods and systems for feature selectionUNIV COLUMBIA·Filed 2005·Granted Oct 2, 2007·12 cites·47 claims
- 2681US10277146B2Half bridge inverter units and inverter thereofWANG HONGLIANG·Filed 2016·Granted Apr 30, 2019·4 cites·22 claims
- 2781US7598792B2Resonant gate drive circuitsUNIV KINGSTON·Filed 2005·Granted Oct 6, 2009·15 cites·29 claims
- 2880US11990842B2Method and system for balancing multi-phase LLC power converter with switch-controlled capacitorsMAGNA INT INC·Filed 2020·Granted May 21, 2024·2 cites·13 claims
- 2980US7110265B2Non-isolated DC-DC converters with direct primary to load currentUNIV KINGSTON·Filed 2003·Granted Sep 19, 2006·33 cites·66 claims
- 3079US10498236B2Two-phase three-level converter and controller thereforLIU TIANSHU·Filed 2017·Granted Dec 3, 2019·5 cites·13 claims
- 3179US9407125B2Biomechanical electrical power generation apparatusQUEEN'S UNIV AT KINGSTON·Filed 2014·Granted Aug 2, 2016·7 cites·23 claims
- 3279US9169171B2Aromatization of methane with combination of catalystsAGENCY SCIENCE TECH & RES·Filed 2012·Granted Oct 27, 2015·2 cites·8 claims
- 3379US9122287B2Dual frequency control of buck-boost regulator with a pass through bandMAO HENGCHUN·Filed 2012·Granted Sep 1, 2015·5 cites·20 claims
- 3478US10250159B2Five-level inverter topology with high voltage utilization ratioWANG HONGLIANG·Filed 2016·Granted Apr 2, 2019·3 cites·25 claims
- 3578US10135359B2Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereofCHEN YANG·Filed 2018·Granted Nov 20, 2018·2 cites·22 claims
- 3678US7307857B2Non-isolated DC-DC converters with direct primary to load currentUNIV KINGSTON·Filed 2006·Granted Dec 11, 2007·7 cites·26 claims
- 3777US7453292B2Resonant gate drive circuit with centre-tapped transformerUNIV KINGSTON·Filed 2006·Granted Nov 18, 2008·8 cites·22 claims
- 3876US10468965B2Multi-stage multilevel DC-DC step-down converterUNIV KINGSTON·Filed 2017·Granted Nov 5, 2019·3 cites·13 claims
- 3976US10411118B2Semiconductor structures and fabrication methods thereofSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2018·Granted Sep 10, 2019·2 cites·20 claims
- 4076US10411898B2Method and device for providing a key for internet of things (IoT) communicationFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Sep 10, 2019·2 cites·19 claims
- 4175US12500514B2System and methods for using a MEMS switch as an ideal diodeDIGIQ POWER LTD·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 4275US8019838B2Autonomous operation of networking devicesMOTOROLA SOLUTIONS INC·Filed 2008·Granted Sep 13, 2011·8 cites·14 claims
- 4374US12480919B2System and method for analyzing light n-alkane components and carbon isotopes in deep and ultra-deep source rockNORTHWEST INSTITUTE ECO ENVIRONMENT & RESOURCES CAS·Filed 2022·Granted Nov 25, 2025·0 cites·4 claims
- 4474US11990843B2Methods and circuits for sensing isolated power converter output voltage across the isolation barrierUNIV KINGSTON·Filed 2023·Granted May 21, 2024·0 cites·13 claims
- 4574US11654818B2Adjustment device for a vehicle light emitting moduleVALEO LIGHTING HUBEI TECHNICAL CT CO LTD·Filed 2019·Granted May 23, 2023·2 cites·13 claims
- 4674US10855273B2High-side gate driver for gallium nitride integrated circuitsLI ZHANMING·Filed 2019·Granted Dec 1, 2020·2 cites·8 claims
- 4774US6005782AFlyback converter with soft switching using auxiliary switch and resonant circuitNORTEL NETWORKS CORP·Filed 1998·Granted Dec 21, 1999·52 cites·20 claims
- 4873US12362660B2Power converter controlled capacitor circuits and methodsUNIV KINGSTON·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 4972US11063520B2Simplified hybrid PWM/PFM control method for SLLC converterMURATA MANUFACTURING CO·Filed 2016·Granted Jul 13, 2021·2 cites·19 claims
- 5071US11048727B2Systems and methods for automated feature selection and pattern discovery of multi-variate time-seriesCIENA CORP·Filed 2018·Granted Jun 29, 2021·2 cites·20 claims
Showing the top 50 of 150 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →