Inventor · disambiguated record
Jinrong Qian
Also filed as: QIAN JINRONG
32 granted patents·3 pending applications·1,157 citations·filing 1994–2018
98Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV9TEXAS INSTRUMENTS INC8PHILIPS ELECTRONICS NA6INTERSIL INC4YE MAO2
Top patents by PatentIndex Score
35 records- 0197US6512352B2Active clamp step-down converter with power switch voltage clamping functionKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 28, 2003·112 cites·19 claims
- 0293US8049465B2Systems, methods and circuits for determining micro-shortTEXAS INSTRUMENTS INC·Filed 2007·Granted Nov 1, 2011·32 cites·21 claims
- 0392US7245113B2High light load efficiency synchronous buck regulator with pulse skipping controlINTERSIL CORP·Filed 2004·Granted Jul 17, 2007·92 cites·13 claims
- 0492US6473318B1Leakage energy recovering system and method for flyback converterKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Oct 29, 2002·86 cites·20 claims
- 0592US6314002B1Voltage clamping system and method for a DC/DC power converterPHILIPS ELECTRONICS NA·Filed 2000·Granted Nov 6, 2001·82 cites·20 claims
- 0691US7443140B2Method and apparatus for operating a battery to avoid damage and maximize use of battery capacity by terminating battery dischargeTEXAS INSTRUMENTS INC·Filed 2006·Granted Oct 28, 2008·13 cites·20 claims
- 0790US8450978B2Monitoring a rechargeable battery with multiple parameter update ratesBARSUKOV YEVGEN P·Filed 2010·Granted May 28, 2013·18 cites·18 claims
- 0890US5914572ADischarge lamp driving circuit having resonant circuit defining two resonance modesMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Jun 22, 1999·100 cites·9 claims
- 0990US5623187AController for a gas discharge lamp with variable inverter frequency and with lamp power and bus voltage controlPHILIPS ELECTRONICS NA·Filed 1994·Granted Apr 22, 1997·118 cites·12 claims
- 1089US9136724B2Method for limiting battery discharging current in battery charger and discharger circuitYE MAO·Filed 2011·Granted Sep 15, 2015·17 cites·19 claims
- 1189US7808244B2System and method for determining state of charge of a battery utilizing initial voltage and current measurement and a previous estimate of battery resistanceTEXAS INSTRUMENTS INC·Filed 2008·Granted Oct 5, 2010·24 cites·13 claims
- 1289US7439721B2Constant-on-time power-supply controller and related system and methodINTERSIL INC·Filed 2006·Granted Oct 21, 2008·25 cites·22 claims
- 1386US7856328B2Systems, methods and circuits for determining potential battery failure based on a rate of change of internal impedanceTEXAS INSTRUMENTS INC·Filed 2007·Granted Dec 21, 2010·17 cites·21 claims
- 1486US6486642B1Tapped-inductor step-down converter and method for clamping the tapped-inductor step-down converterKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Nov 26, 2002·52 cites·19 claims
- 1583US6507174B1Voltage regulator with clamping circuitKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 14, 2003·44 cites·18 claims
- 1682US6630797B2High efficiency driver apparatus for driving a cold cathode fluorescent lampKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Oct 7, 2003·31 cites·18 claims
- 1781US9735600B2Method for limiting battery discharging current in battery charger and discharger circuitTEXAS INSTRUMENTS INC·Filed 2015·Granted Aug 15, 2017·3 cites·17 claims
- 1881US6441652B1High efficiency high frequency resonant gate driver for power converterKONINK PHILIPS ELECTROANICS N·Filed 1999·Granted Aug 27, 2002·45 cites·15 claims
- 1980US9430008B2Apparatus and method for optimizing use of NVDC chargersTEXAS INSTRUMENTS INC·Filed 2013·Granted Aug 30, 2016·7 cites·13 claims
- 2076US9356460B2Method and apparatus of fast battery charging with universal high power input sourceTEXAS INSTRUMENTS INC·Filed 2014·Granted May 31, 2016·7 cites·20 claims
- 2175US8350551B2Power-supply controllerIntersil Americas LLC·Filed 2010·Granted Jan 8, 2013·4 cites·50 claims
- 2270US6519164B1Single power stage AC/DC forward converter with power switch voltage clamping functionKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Feb 11, 2003·26 cites·12 claims
- 2369US7489109B1Integrated battery charger and system regulator circuitINTERSIL INC·Filed 2004·Granted Feb 10, 2009·35 cites·20 claims
- 2467US6487094B1High efficiency DC-DC power converterKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Nov 26, 2002·22 cites·8 claims
- 2567US6477064B1High efficiency DC-DC power converter with turn-off snubberKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Nov 5, 2002·23 cites·8 claims
- 2667US6051936AElectronic lamp ballast with power feedback through line inductorPHILIPS ELECTRONICS NA·Filed 1998·Granted Apr 18, 2000·34 cites·20 claims
- 2766US6184630B1Electronic lamp ballast with voltage source power feedback to AC-sidePHILIPS ELECTRONICS NA·Filed 1999·Granted Feb 6, 2001·35 cites·12 claims
- 2863US5949199AGas discharge lamp inverter with a wide input voltage rangeVIRGINIA TECH INTELL PROP·Filed 1998·Granted Sep 7, 1999·24 cites·9 claims
- 2956US6417629B1Push-pull based voltage-clamping electronic ballastKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jul 9, 2002·7 cites·9 claims
- 3053US6107753ARadio frequency electronic ballast with integrated power factor correction stagePHILIPS ELECTRONICS NA·Filed 1998·Granted Aug 22, 2000·19 cites·23 claims
- 3147US2012139345A1Control method of hybrid power battery chargerYE MAO·Filed 2011·Application pending·0 cites
- 3245US6323606B1Monitor deflection circuitPHILIPS ELECTRONICS NA·Filed 2000·Granted Nov 27, 2001·3 cites·18 claims
- 3344US11641126B2Battery charger system having a charge pump power stageTEXAS INSTRUMENTS INC·Filed 2018·Granted May 2, 2023·0 cites·19 claims
- 3443US2009102447A1Constant-on-time power-supply controller and related system and methodINTERSIL INC·Filed 2008·Application pending·0 cites
- 3539US2005037241A1Power source selector and controller for multiple battery power supplyINTERSIL INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →