P

Inventor

WONG PITLEONG

CN41 patents
⚠️ This page may combine multiple inventors who share the name “WONG PITLEONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOULWATT TECH HANGZHOU CO LTD

26 patents
US10153684B2Dec 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
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
US11165355B2Nov 2, 2021

Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuit

JOULWATT TECH HANGZHOU CO LTD3 citations70
US11463079B2Oct 4, 2022

Power transistor driving method, driving circuit and switching circuit

JOULWATT TECH HANGZHOU CO LTD1 citations61
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
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

JOULWATT TECH CO LTD

12 patents

WONG PITLEONG

1 patent

JOULWATT TECH ZHABGJIAGANG CO LTD

1 patent

HANGZHOU XIENENG TECH CO LTD

1 patent