Inventor · disambiguated record
Pitleong Wong
Also filed as: WONG PITLEONG
41 granted patents·9 pending applications·160 citations·filing 2015–2024
96Inventor score
Files withJOULWATT TECH (HANGZHOU) CO LTD26JOULWATT TECH CO LTD21HANGZHOU XIENENG TECH CO LTD1JOULWATT TECH ZHABGJIAGANG CO LTD1WONG PITLEONG1
Top patents by PatentIndex Score
50 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
- 0395US12057080B2Light source driving circuit and communication device for display systemJOULWATT TECH CO LTD·Filed 2022·Granted Aug 6, 2024·4 cites·23 claims
- 0495US10153684B2Bleeder circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2016·Granted Dec 11, 2018·37 cites·9 claims
- 0595US9608532B2Body diode conduction optimization in MOSFET synchronous rectifierWONG PITLEONG·Filed 2015·Granted Mar 28, 2017·26 cites·23 claims
- 0693US10644604B2Flyback switching power supplyJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted May 5, 2020·9 cites·14 claims
- 0790US12444343B2LED driver circuit, multi-wire communication device and method for LED display systemJOULWATT TECH CO LTD·Filed 2022·Granted Oct 14, 2025·2 cites·18 claims
- 0889US10199949B1Active-clamp flyback circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted Feb 5, 2019·6 cites·17 claims
- 0989US10143051B2Bleeder circuit and control method thereof, and LED control circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Nov 27, 2018·7 cites·10 claims
- 1089US10090750B1Isolating switch circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2018·Granted Oct 2, 2018·6 cites·20 claims
- 1187US10411685B2Circuit 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
- 1285US10355604B2Control 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
- 1384US11757367B2Flyback switch circuit and control method thereofJOULWATT TECH CO LTD·Filed 2021·Granted Sep 12, 2023·1 cites·17 claims
- 1484US10298129B1Power 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
- 1581US11165355B2Clamping 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
- 1681US10396658B2Power supply protection circuit and methodJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Aug 27, 2019·4 cites·2 claims
- 1778US10205448B2Switch control circuit and switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Feb 12, 2019·3 cites·20 claims
- 1877US10218272B2Control 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
- 1976US11463079B2Power transistor driving method, driving circuit and switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Oct 4, 2022·1 cites·19 claims
- 2074US2024120849A1Protection Circuit of Flyback Converter and Control MethodJOULWATT TECH CO LTD·Filed 2023·Application pending·0 cites
- 2174US2024120831A1Protection Circuit of Flyback Converter and Control MethodJOULWATT TECH CO LTD·Filed 2023·Application pending·0 cites
- 2272US10644517B2Battery balance circuit, control method for battery balance and battery systemJOULWATT TECH ZHABGJIAGANG CO LTD·Filed 2017·Granted May 5, 2020·3 cites·16 claims
- 2371US10320291B2Control circuit and device with edge comparison for switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 11, 2019·2 cites·12 claims
- 2467US12451891B2Switching frequency synchronization circuit, method therefor and switching power supplyJOULWATT TECH CO LTD·Filed 2024·Granted Oct 21, 2025·0 cites·22 claims
- 2567US12087243B2Light source driving circuit and communication device for display systemJOULWATT TECH CO LTD·Filed 2022·Granted Sep 10, 2024·0 cites·20 claims
- 2666US12483148B2Flyback converter with high efficiency and control method thereofJOULWATT TECH CO LTD·Filed 2023·Granted Nov 25, 2025·0 cites·17 claims
- 2765US10075152B2Integrated circuit with multiplexed pin and pin multiplexing methodJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Sep 11, 2018·1 cites·20 claims
- 2864US2025158399A1Power Grid Switching Circuit and Circuit SystemJOULWATT TECH CO LTD·Filed 2024·Application pending·0 cites
- 2960US12477633B2Power conversion circuit for quick response and switching power supplyJOULWATT TECH CO LTD·Filed 2023·Granted Nov 18, 2025·0 cites·19 claims
- 3060US2025211108A1Power converter and current comparison circuitJOULWATT TECH CO LTD·Filed 2024·Application pending·0 cites
- 3159US2024291264A1Electronic fuse circuit and circuit system using the sameJOULWATT TECH CO LTD·Filed 2024·Application pending·0 cites
- 3258US12317382B2Dimming method and dimming circuitJOULWATT TECH CO LTD·Filed 2023·Granted May 27, 2025·0 cites·14 claims
- 3356US12431786B2Control circuit and control method for switched capacitor converterJOULWATT TECH CO LTD·Filed 2023·Granted Sep 30, 2025·0 cites·16 claims
- 3456US2025015728A1Flyback converter and switch control circuit, control method thereofJOULWATT TECH CO LTD·Filed 2024·Application pending·0 cites
- 3555US12221033B2Dynamic automotive turn signal circuit and dynamic automotive turn signal systemJOULWATT TECH CO LTD·Filed 2022·Granted Feb 11, 2025·0 cites·11 claims
- 3653US12407249B2Supply circuit and switched mode power supplyJOULWATT TECH CO LTD·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 3753US2022352738A1Charging control method of power supply equipment and power supply equipmentJOULWATT TECH CO LTD·Filed 2022·Application pending·0 cites
- 3853US2024186909A1Soft Switch Control Circuit of Flyback Converter and Flyback Converter Applying the SameJOULWATT TECH CO LTD·Filed 2023·Application pending·0 cites
- 3952US2025062692A1Switch converterJOULWATT TECH CO LTD·Filed 2024·Application pending·0 cites
- 4049US11799310B2X-capacitor discharge method, X-capacitor discharge circuit and switched-mode power supplyJOULWATT TECH CO LTD·Filed 2021·Granted Oct 24, 2023·0 cites·22 claims
- 4148US10715125B2Circuit 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
- 4246US10327296B2Dimming circuit, dimming method and LED driving circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 18, 2019·0 cites·12 claims
- 4345US11152866B2Active clamping flyback circuit and control method thereofJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 4445US10411586B2Circuit 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
- 4542US10263610B2Control 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
- 4641US10506684B2Protection circuit and illumination driving circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Dec 10, 2019·0 cites·4 claims
- 4740US11218136B2Power transistor driving method, driving circuit and switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·5 claims
- 4840US10418910B2Isolated 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
- 4936US10886913B2Drive 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
- 5032US10090684B2General control circuit for active balanceHANGZHOU XIENENG TECH CO LTD·Filed 2016·Granted Oct 2, 2018·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →