Pitleong WONG

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Light source driving circuit and communication device for display s...
- Patent number 12,087,243
- Issue date Sep 10, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light source driving circuit and communication device for display s...
- Patent number 12,057,080
- Issue date Aug 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
X-capacitor discharge method, X-capacitor discharge circuit and swi...
- Patent number 11,799,310
- Issue date Oct 24, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flyback switch circuit and control method thereof
- Patent number 11,757,367
- Issue date Sep 12, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power transistor driving method, driving circuit and switching circuit
- Patent number 11,463,079
- Issue date Oct 4, 2022
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power transistor driving method, driving circuit and switching circuit
- Patent number 11,218,136
- Issue date Jan 4, 2022
- Joulwatt Technology (Hangzhou) Co. LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clamping switch abnormality detection method, clamping switch abnor...
- Patent number 11,165,355
- Issue date Nov 2, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active clamping flyback circuit and control method thereof
- Patent number 11,152,866
- Issue date Oct 19, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive method and drive circuit for power switch, and power supply s...
- Patent number 10,886,913
- Issue date Jan 5, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit and method for detecting current zero-crossing point and ci...
- Patent number 10,715,125
- Issue date Jul 14, 2020
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- G01 - MEASURING TESTING
Information Patent Grant
Battery balance circuit, control method for battery balance and bat...
- Patent number 10,644,517
- Issue date May 5, 2020
- JOULWATT TECHNOLOGY (Zhangjiagang) CO., LTD.
- Libin Huang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Flyback switching power supply
- Patent number 10,644,604
- Issue date May 5, 2020
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous rectification control circuit, method and flyback switc...
- Patent number 10,505,442
- Issue date Dec 10, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection circuit and illumination driving circuit
- Patent number 10,506,684
- Issue date Dec 10, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active-clamp flyback circuit and control method thereof
- Patent number 10,461,653
- Issue date Oct 29, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolated switch-mode power supply and control circuit and control m...
- Patent number 10,418,910
- Issue date Sep 17, 2019
- JOULWATT TECHNOLOGY (HANGZHOU)CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit and method for overcurrent control and power supply system...
- Patent number 10,411,586
- Issue date Sep 10, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Siopang Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit and method for detecting current zero-crossing point, and c...
- Patent number 10,411,685
- Issue date Sep 10, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power supply protection circuit and method
- Patent number 10,396,658
- Issue date Aug 27, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Siopang Chan
- G05 - CONTROLLING REGULATING
Information Patent Grant
Control circuit and control method for switch circuit and switching...
- Patent number 10,355,604
- Issue date Jul 16, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dimming circuit, dimming method and LED driving circuit
- Patent number 10,327,296
- Issue date Jun 18, 2019
- JOULWATT TECHNOLOGY (HANGZHOU)CO., LTD.
- Guoqiang Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control circuit and device with edge comparison for switching circuit
- Patent number 10,320,291
- Issue date Jun 11, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supplying circuit for drive of switching power supply and swi...
- Patent number 10,298,129
- Issue date May 21, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Aimin Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control method and control circuit for switch circuit and switch ci...
- Patent number 10,263,610
- Issue date Apr 16, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control circuit and control method for switch power supply, and swi...
- Patent number 10,218,272
- Issue date Feb 26, 2019
- Joulwatt Technology (Hangzhou) Co. LTD.
- Siopang Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch control circuit and switch circuit
- Patent number 10,205,448
- Issue date Feb 12, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Feng Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active-clamp flyback circuit and control method thereof
- Patent number 10,199,949
- Issue date Feb 5, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bleeder circuit
- Patent number 10,153,684
- Issue date Dec 11, 2018
- Joulwatt Technology (Hangzhou) Co., Ltd.
- Guoqiang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bleeder circuit and control method thereof, and LED control circuit
- Patent number 10,143,051
- Issue date Nov 27, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Guoqiang Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
General control circuit for active balance
- Patent number 10,090,684
- Issue date Oct 2, 2018
- HANGZHOU XIENENG TECHNOLOGY CO., LTD.
- Danji Xi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF
- Publication number 20250015728
- Publication date Jan 9, 2025
- Joulwatt Technology Co., Ltd.
- Xianghua JIANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING FREQUENCY SYNCHRONIZATION CIRCUIT, METHOD THEREFOR AND SW...
- Publication number 20240313783
- Publication date Sep 19, 2024
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC FUSE CIRCUIT AND CIRCUIT SYSTEM USING THE SAME
- Publication number 20240291264
- Publication date Aug 29, 2024
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION CIRCUIT FOR QUICK RESPONSE AND SWITCHING POWER SUPPLY
- Publication number 20240224396
- Publication date Jul 4, 2024
- Joulwatt Technology Co., Ltd.
- Shengfeng LI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FLYBACK CONVERTER WITH HIGH EFFICIENCY AND CONTROL METHOD THEREOF
- Publication number 20240204674
- Publication date Jun 20, 2024
- Joulwatt Technology Co., Ltd.
- Xianghua JIANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Soft Switch Control Circuit of Flyback Converter and Flyback Conver...
- Publication number 20240186909
- Publication date Jun 6, 2024
- Joulwatt Technology Co., Ltd.
- Junming ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Protection Circuit of Flyback Converter and Control Method
- Publication number 20240120831
- Publication date Apr 11, 2024
- Joulwatt Technology Co., Ltd.
- Xianghua JIANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Protection Circuit of Flyback Converter and Control Method
- Publication number 20240120849
- Publication date Apr 11, 2024
- Joulwatt Technology Co., Ltd.
- Xianghua JIANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SUPPLY CIRCUIT AND SWITCHED MODE POWER SUPPLY
- Publication number 20240072655
- Publication date Feb 29, 2024
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LIGHT SOURCE DRIVING CIRCUIT AND COMMUNICATION DEVICE FOR DISPLAY S...
- Publication number 20230386419
- Publication date Nov 30, 2023
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIGHT SOURCE DRIVING CIRCUIT AND COMMUNICATION DEVICE FOR DISPLAY S...
- Publication number 20230386420
- Publication date Nov 30, 2023
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHED CAPACITOR CONVERTER
- Publication number 20230387784
- Publication date Nov 30, 2023
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIMMING METHOD AND DIMMING CIRCUIT
- Publication number 20230328854
- Publication date Oct 12, 2023
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVER CIRCUIT, MULTI-WIRE COMMUNICATION DEVICE AND METHOD FOR...
- Publication number 20230282156
- Publication date Sep 7, 2023
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
CHARGING CONTROL METHOD OF POWER SUPPLY EQUIPMENT AND POWER SUPPLY...
- Publication number 20220352738
- Publication date Nov 3, 2022
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
X-CAPACITOR DISCHARGE METHOD, X-CAPACITOR DISCHARGE CIRCUIT AND SWI...
- Publication number 20220216701
- Publication date Jul 7, 2022
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FLYBACK SWITCH CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20220006393
- Publication date Jan 6, 2022
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Transistor Driving Method, Driving Circuit and Switching Circuit
- Publication number 20210152159
- Publication date May 20, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO. LTD.
- Pitleong WONG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power Transistor Driving Method, Driving Circuit and Switching Circuit
- Publication number 20210152169
- Publication date May 20, 2021
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CLAMPING SWITCH ABNORMALITY DETECTION METHOD, CLAMPING SWITCH ABNOR...
- Publication number 20210152094
- Publication date May 20, 2021
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACTIVE CLAMPING FLYBACK CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20210058002
- Publication date Feb 25, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT AND METHOD FOR DETECTING CURRENT ZERO-CROSSING POINT AND CI...
- Publication number 20190356307
- Publication date Nov 21, 2019
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Pitleong WONG
- G01 - MEASURING TESTING
Information Patent Application
FLYBACK SWITCHING POWER SUPPLY
- Publication number 20190348920
- Publication date Nov 14, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ISOLATED SWITCH-MODE POWER SUPPLY AND CONTROL CIRCUIT AND CONTROL M...
- Publication number 20190068072
- Publication date Feb 28, 2019
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ISOLATING SWITCH CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20180287480
- Publication date Oct 4, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PROTECTION CIRCUIT AND ILLUMINATION DRIVING CIRCUIT
- Publication number 20180241195
- Publication date Aug 23, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Junming ZHANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Dimming Circuit, Dimming Method and LED Driving Circuit
- Publication number 20180192491
- Publication date Jul 5, 2018
- Chipone Technology (Beijing) Co., Ltd.
- Guoqiang Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
BLEEDER CIRCUIT AND CONTROL METHOD THEREOF, AND LED CONTROL CIRCUIT
- Publication number 20180139816
- Publication date May 17, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Guoqiang LIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
BLEEDER CIRCUIT
- Publication number 20180115234
- Publication date Apr 26, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Guoqiang LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCH POWER SUPPLY, AND SWI...
- Publication number 20180109191
- Publication date Apr 19, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Siopang CHAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Pitleong WONG

Person

Patents Grantslast 30 patents

Light source driving circuit and communication device for display s...

Light source driving circuit and communication device for display s...

X-capacitor discharge method, X-capacitor discharge circuit and swi...

Flyback switch circuit and control method thereof

Power transistor driving method, driving circuit and switching circuit

Power transistor driving method, driving circuit and switching circuit

Clamping switch abnormality detection method, clamping switch abnor...

Active clamping flyback circuit and control method thereof

Drive method and drive circuit for power switch, and power supply s...

Circuit and method for detecting current zero-crossing point and ci...

Battery balance circuit, control method for battery balance and bat...

Flyback switching power supply

Synchronous rectification control circuit, method and flyback switc...

Protection circuit and illumination driving circuit

Active-clamp flyback circuit and control method thereof

Isolated switch-mode power supply and control circuit and control m...

Circuit and method for overcurrent control and power supply system...

Circuit and method for detecting current zero-crossing point, and c...

Power supply protection circuit and method

Control circuit and control method for switch circuit and switching...

Dimming circuit, dimming method and LED driving circuit

Control circuit and device with edge comparison for switching circuit

Power supplying circuit for drive of switching power supply and swi...

Control method and control circuit for switch circuit and switch ci...

Control circuit and control method for switch power supply, and swi...

Switch control circuit and switch circuit

Active-clamp flyback circuit and control method thereof

Bleeder circuit

Bleeder circuit and control method thereof, and LED control circuit

General control circuit for active balance

Patents Applicationslast 30 patents

FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF

SWITCHING FREQUENCY SYNCHRONIZATION CIRCUIT, METHOD THEREFOR AND SW...

ELECTRONIC FUSE CIRCUIT AND CIRCUIT SYSTEM USING THE SAME

POWER CONVERSION CIRCUIT FOR QUICK RESPONSE AND SWITCHING POWER SUPPLY

FLYBACK CONVERTER WITH HIGH EFFICIENCY AND CONTROL METHOD THEREOF

Soft Switch Control Circuit of Flyback Converter and Flyback Conver...

Protection Circuit of Flyback Converter and Control Method

Protection Circuit of Flyback Converter and Control Method

SUPPLY CIRCUIT AND SWITCHED MODE POWER SUPPLY

LIGHT SOURCE DRIVING CIRCUIT AND COMMUNICATION DEVICE FOR DISPLAY S...

LIGHT SOURCE DRIVING CIRCUIT AND COMMUNICATION DEVICE FOR DISPLAY S...

CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHED CAPACITOR CONVERTER

DIMMING METHOD AND DIMMING CIRCUIT

LED DRIVER CIRCUIT, MULTI-WIRE COMMUNICATION DEVICE AND METHOD FOR...

CHARGING CONTROL METHOD OF POWER SUPPLY EQUIPMENT AND POWER SUPPLY...

X-CAPACITOR DISCHARGE METHOD, X-CAPACITOR DISCHARGE CIRCUIT AND SWI...

FLYBACK SWITCH CIRCUIT AND CONTROL METHOD THEREOF

Power Transistor Driving Method, Driving Circuit and Switching Circuit

Power Transistor Driving Method, Driving Circuit and Switching Circuit

CLAMPING SWITCH ABNORMALITY DETECTION METHOD, CLAMPING SWITCH ABNOR...

ACTIVE CLAMPING FLYBACK CIRCUIT AND CONTROL METHOD THEREOF

CIRCUIT AND METHOD FOR DETECTING CURRENT ZERO-CROSSING POINT AND CI...

FLYBACK SWITCHING POWER SUPPLY

ISOLATED SWITCH-MODE POWER SUPPLY AND CONTROL CIRCUIT AND CONTROL M...

ISOLATING SWITCH CIRCUIT AND CONTROL METHOD THEREOF

PROTECTION CIRCUIT AND ILLUMINATION DRIVING CIRCUIT

Dimming Circuit, Dimming Method and LED Driving Circuit

BLEEDER CIRCUIT AND CONTROL METHOD THEREOF, AND LED CONTROL CIRCUIT

BLEEDER CIRCUIT

CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCH POWER SUPPLY, AND SWI...