Inventor · disambiguated record
Xunwei Zhou
Also filed as: ZHOU XUNWEI
51 granted patents·1 pending application·555 citations·filing 1999–2020
98Inventor score
Files withJOULWATT TECH (HANGZHOU) CO LTD37LINEAR TECHN INC5HANGZHOU XIENENG TECH CO LTD3ZHOU XUNWEI3VIRGINIA TECH INTELL PROP2
Top patents by PatentIndex Score
52 records- 0196US10505442B2Synchronous rectification control circuit, method and flyback switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Dec 10, 2019·16 cites·10 claims
- 0296US10461653B1Active-clamp flyback circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Oct 29, 2019·14 cites·20 claims
- 0395US10153684B2Bleeder circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2016·Granted Dec 11, 2018·37 cites·9 claims
- 0495US9608532B2Body diode conduction optimization in MOSFET synchronous rectifierWONG PITLEONG·Filed 2015·Granted Mar 28, 2017·26 cites·23 claims
- 0595US8717186B2Detection of swelling in batteriesZHOU XUNWEI·Filed 2012·Granted May 6, 2014·18 cites·17 claims
- 0695US7394231B2Current-mode control for switched step up-step down regulatorsLINEAR TECHN INC·Filed 2005·Granted Jul 1, 2008·57 cites·12 claims
- 0795US6414469B1Current sensing and current sharingVIRGINIA TECH INTELL PROP·Filed 2000·Granted Jul 2, 2002·72 cites·14 claims
- 0894US8872438B2LED light dimming with a target brightnessZHOU XUNWEI·Filed 2012·Granted Oct 28, 2014·110 cites·20 claims
- 0993US10644604B2Flyback switching power supplyJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted May 5, 2020·9 cites·14 claims
- 1093US7466112B2Variable frequency current-mode control for switched step up-step down regulatorsLINEAR TECHN INC·Filed 2005·Granted Dec 16, 2008·45 cites·44 claims
- 1191US10886853B1Power device driving method and drive circuit for switching circuit, and the switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Jan 5, 2021·10 cites·10 claims
- 1290US7256570B2Light load current-mode control for switched step up-step down regulatorsLINEAR TECHN INC·Filed 2005·Granted Aug 14, 2007·31 cites·10 claims
- 1389US10199949B1Active-clamp flyback circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted Feb 5, 2019·6 cites·17 claims
- 1489US10143051B2Bleeder circuit and control method thereof, and LED control circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Nov 27, 2018·7 cites·10 claims
- 1589US10090750B1Isolating switch circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted Oct 2, 2018·6 cites·20 claims
- 1687US10411685B2Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltageJOULWATT TECH HANGZHOU CO LTD·Filed 2015·Granted Sep 10, 2019·4 cites·18 claims
- 1785US10355604B2Control circuit and control method for switch circuit and switching-mode power supply circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jul 16, 2019·5 cites·13 claims
- 1884US10298129B1Power supplying circuit for drive of switching power supply and switching power supplyJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted May 21, 2019·4 cites·20 claims
- 1982US7365525B2Protection for switched step up/step down regulatorsLINEAR TECHN INC·Filed 2005·Granted Apr 29, 2008·17 cites·26 claims
- 2081US11165355B2Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Nov 2, 2021·3 cites·20 claims
- 2181US10396658B2Power supply protection circuit and methodJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Aug 27, 2019·4 cites·2 claims
- 2278US10205448B2Switch control circuit and switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Feb 12, 2019·3 cites·20 claims
- 2377US10218272B2Control circuit and control method for switch power supply, and switch power supplyJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Feb 26, 2019·2 cites·18 claims
- 2476US11463079B2Power transistor driving method, driving circuit and switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Oct 4, 2022·1 cites·19 claims
- 2575US10951108B1Switching power supply controlling circuit and controlling method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Mar 16, 2021·3 cites·14 claims
- 2672US11201553B2Control method and control circuit for switching power supply circuit, and switching power supply circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Dec 14, 2021·2 cites·8 claims
- 2772US10644517B2Battery balance circuit, control method for battery balance and battery systemJOULWATT TECH ZHABGJIAGANG CO LTD·Filed 2017·Granted May 5, 2020·3 cites·16 claims
- 2871US10320291B2Control circuit and device with edge comparison for switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 11, 2019·2 cites·12 claims
- 2969US7812585B2Advanced current-mode control for switched regulatorsLINEAR TECHN INC·Filed 2007·Granted Oct 12, 2010·8 cites·30 claims
- 3065US10075152B2Integrated circuit with multiplexed pin and pin multiplexing methodJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Sep 11, 2018·1 cites·20 claims
- 3163US6590791B1High input voltage, high efficiency, fast transient voltage regulator module (VRM)VIRGINIA TECH INTELL PROP·Filed 1999·Granted Jul 8, 2003·29 cites·11 claims
- 3251US11309796B2Control method of single live line charging circuit, control circuit of single live line charging circuit and single live line charging circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Apr 19, 2022·0 cites·19 claims
- 3350US11563381B2Control method of switching circuit, control circuit of switching circuit, and switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Jan 24, 2023·0 cites·9 claims
- 3448US10855163B2Supply method of dual-chip power circuit and dual-chip power circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Dec 1, 2020·0 cites·9 claims
- 3548US10715125B2Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltageJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Jul 14, 2020·0 cites·16 claims
- 3646US10327296B2Dimming circuit, dimming method and LED driving circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 18, 2019·0 cites·12 claims
- 3746US9472980B2Integrated buck/boost battery management for power storage and deliveryZHOU XUNWEI·Filed 2013·Granted Oct 18, 2016·0 cites·12 claims
- 3845US11152866B2Active clamping flyback circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 3945US10411586B2Circuit and method for overcurrent control and power supply system including the sameJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Sep 10, 2019·0 cites·10 claims
- 4044US11438979B2LED driving circuit and LED driving methodJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 4142US10263610B2Control method and control circuit for switch circuit and switch circuit deviceJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Apr 16, 2019·0 cites·3 claims
- 4241US10645780B2Control circuit and control method for lighting circuit, and lighting circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted May 5, 2020·0 cites·10 claims
- 4341US10506684B2Protection circuit and illumination driving circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Dec 10, 2019·0 cites·4 claims
- 4440US11218136B2Power transistor driving method, driving circuit and switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·5 claims
- 4540US10418910B2Isolated switch-mode power supply and control circuit and control method for isolated switch-mode power supplyJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted Sep 17, 2019·0 cites·12 claims
- 4639US9918365B1Ripple removing circuit and LED control circuit applying the sameJOULWATT TECH HANGZHOU CO LTD·Filed 2016·Granted Mar 13, 2018·0 cites·20 claims
- 4736US10886913B2Drive method and drive circuit for power switch, and power supply systemJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jan 5, 2021·0 cites·17 claims
- 4836US10317476B2Bus-based information collection system with micro power consumption for battery packagesHANGZHOU XIENENG TECH CO LTD·Filed 2015·Granted Jun 11, 2019·0 cites·6 claims
- 4934US9787182B2Self-adaption current control circuitJOULWATT TECH (HANGZHOU) CO LTD·Filed 2016·Granted Oct 10, 2017·0 cites·8 claims
- 5032US10090684B2General control circuit for active balanceHANGZHOU XIENENG TECH CO LTD·Filed 2016·Granted Oct 2, 2018·0 cites·6 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →