Inventor
ZHOU XUNWEI
CN51 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU XUNWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOULWATT TECH HANGZHOU CO LTD
35 patentsUS10153684B2Dec 11, 2018
Bleeder circuit
JOULWATT TECH HANGZHOU CO LTD37 citations92
US10461653B1Oct 29, 2019
Active-clamp flyback circuit and control method thereof
JOULWATT TECH HANGZHOU CO LTD14 citations86
US10505442B2Dec 10, 2019
Synchronous rectification control circuit, method and flyback switch circuit
JOULWATT TECH HANGZHOU CO LTD16 citations85
US10644604B2May 5, 2020
Flyback switching power supply
JOULWATT TECH HANGZHOU CO LTD9 citations84
US10143051B2Nov 27, 2018
Bleeder circuit and control method thereof, and LED control circuit
JOULWATT TECH HANGZHOU CO LTD7 citations84
US10886853B1Jan 5, 2021
Power device driving method and drive circuit for switching circuit, and the switching circuit
JOULWATT TECH HANGZHOU CO LTD10 citations83
US10205448B2Feb 12, 2019
Switch control circuit and switch circuit
JOULWATT TECH HANGZHOU CO LTD3 citations73
US10199949B1Feb 5, 2019
Active-clamp flyback circuit and control method thereof
JOULWATT TECH HANGZHOU CO LTD6 citations73
US10090750B1Oct 2, 2018
Isolating switch circuit and control method thereof
JOULWATT TECH HANGZHOU CO LTD6 citations73
US10411685B2Sep 10, 2019
Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltage
JOULWATT TECH HANGZHOU CO LTD4 citations72
US10396658B2Aug 27, 2019
Power supply protection circuit and method
JOULWATT TECH HANGZHOU CO LTD4 citations72
US10355604B2Jul 16, 2019
Control circuit and control method for switch circuit and switching-mode power supply circuit
JOULWATT TECH HANGZHOU CO LTD5 citations72
US10320291B2Jun 11, 2019
Control circuit and device with edge comparison for switching circuit
JOULWATT TECH HANGZHOU CO LTD2 citations72
US10298129B1May 21, 2019
Power supplying circuit for drive of switching power supply and switching power supply
JOULWATT TECH HANGZHOU CO LTD4 citations72
US10218272B2Feb 26, 2019
Control circuit and control method for switch power supply, and switch power supply
JOULWATT TECH HANGZHOU CO LTD2 citations72
US11201553B2Dec 14, 2021
Control method and control circuit for switching power supply circuit, and switching power supply circuit
JOULWATT TECH HANGZHOU CO LTD2 citations70
US11165355B2Nov 2, 2021
Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuit
JOULWATT TECH HANGZHOU CO LTD3 citations70
US10951108B1Mar 16, 2021
Switching power supply controlling circuit and controlling method thereof
JOULWATT TECH HANGZHOU CO LTD3 citations65
US11463079B2Oct 4, 2022
Power transistor driving method, driving circuit and switching circuit
JOULWATT TECH HANGZHOU CO LTD1 citations61
US11563381B2Jan 24, 2023
Control method of switching circuit, control circuit of switching circuit, and switching circuit
JOULWATT TECH HANGZHOU CO LTD0 citations52
US11309796B2Apr 19, 2022
Control method of single live line charging circuit, control circuit of single live line charging circuit and single live line charging circuit
JOULWATT TECH HANGZHOU CO LTD0 citations52
US10075152B2Sep 11, 2018
Integrated circuit with multiplexed pin and pin multiplexing method
JOULWATT TECH HANGZHOU CO LTD1 citations52
US11218136B2Jan 4, 2022
Power transistor driving method, driving circuit and switching circuit
JOULWATT TECH HANGZHOU CO LTD0 citations50
US10886913B2Jan 5, 2021
Drive method and drive circuit for power switch, and power supply system
JOULWATT TECH HANGZHOU CO LTD0 citations50
US11152866B2Oct 19, 2021
Active clamping flyback circuit and control method thereof
JOULWATT TECH HANGZHOU CO LTD0 citations49
US10855163B2Dec 1, 2020
Supply method of dual-chip power circuit and dual-chip power circuit
JOULWATT TECH HANGZHOU CO LTD0 citations42
US10506684B2Dec 10, 2019
Protection circuit and illumination driving circuit
JOULWATT TECH HANGZHOU CO LTD0 citations42
US10418910B2Sep 17, 2019
Isolated switch-mode power supply and control circuit and control method for isolated switch-mode power supply
JOULWATT TECH HANGZHOU CO LTD0 citations42
US10263610B2Apr 16, 2019
Control method and control circuit for switch circuit and switch circuit device
JOULWATT TECH HANGZHOU CO LTD0 citations41
US10715125B2Jul 14, 2020
Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage
JOULWATT TECH HANGZHOU CO LTD0 citations40
US10411586B2Sep 10, 2019
Circuit and method for overcurrent control and power supply system including the same
JOULWATT TECH HANGZHOU CO LTD0 citations40
US10327296B2Jun 18, 2019
Dimming circuit, dimming method and LED driving circuit
JOULWATT TECH HANGZHOU CO LTD0 citations40
US11438979B2Sep 6, 2022
LED driving circuit and LED driving method
JOULWATT TECH HANGZHOU CO LTD0 citations38
US10645780B2May 5, 2020
Control circuit and control method for lighting circuit, and lighting circuit
JOULWATT TECH HANGZHOU CO LTD0 citations35
US9918365B1Mar 13, 2018
Ripple removing circuit and LED control circuit applying the same
JOULWATT TECH HANGZHOU CO LTD0 citations34
LINEAR TECHN INC
5 patentsUS7394231B2Jul 1, 2008
Current-mode control for switched step up-step down regulators
LINEAR TECHN INC57 citations98
US7466112B2Dec 16, 2008
Variable frequency current-mode control for switched step up-step down regulators
LINEAR TECHN INC45 citations92
US7256570B2Aug 14, 2007
Light load current-mode control for switched step up-step down regulators
LINEAR TECHN INC31 citations92
US7812585B2Oct 12, 2010
Advanced current-mode control for switched regulators
LINEAR TECHN INC8 citations84
US7365525B2Apr 29, 2008
Protection for switched step up/step down regulators
LINEAR TECHN INC17 citations84
ZHOU XUNWEI
3 patentsVIRGINIA TECH INTELL PROP
2 patentsHANGZHOU XIENENG TECH CO LTD
2 patentsWONG PITLEONG
1 patentJOULWATT TECH ZHABGJIAGANG CO LTD
1 patentJOULWATT TECH (HANGZHOU) CO LTD
1 patentShowing the top 50 of 51 patents by PatentIndex Score.