Xunwei ZHOU

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Control method of switching circuit, control circuit of switching c...
- Patent number 11,563,381
- Issue date Jan 24, 2023
- Joulwatt Technology (Hangzhou) Co. LTD.
- Minghao Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
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
LED driving circuit and LED driving method
- Patent number 11,438,979
- Issue date Sep 6, 2022
- JOULWATT TECHNOLOGY (HANGZHOU)CO., LTD.
- Zhenxu Zha
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control method of single live line charging circuit, control circui...
- Patent number 11,309,796
- Issue date Apr 19, 2022
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Hao Long
- 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
Control method and control circuit for switching power supply circu...
- Patent number 11,201,553
- Issue date Dec 14, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Xunjin Dou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Switching power supply controlling circuit and controlling method t...
- Patent number 10,951,108
- Issue date Mar 16, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Yongji He
- 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
Power device driving method and drive circuit for switching circuit...
- Patent number 10,886,853
- Issue date Jan 5, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Aimin Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Supply method of dual-chip power circuit and dual-chip power circuit
- Patent number 10,855,163
- Issue date Dec 1, 2020
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Hao Long
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Control circuit and control method for lighting circuit, and lighti...
- Patent number 10,645,780
- Issue date May 5, 2020
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Zhongwu Wu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Bus-based information collection system with micro power consumptio...
- Patent number 10,317,476
- Issue date Jun 11, 2019
- HANGZHOU XIENENG TECHNOLOGY CO., LTD.
- Xunwei Zhou
- G06 - COMPUTING CALCULATING COUNTING
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

Patents Applicationslast 30 patents

Information Patent Application
CONTROL METHOD OF SWITCHING CIRCUIT, CONTROL CIRCUIT OF SWITCHING C...
- Publication number 20210194373
- Publication date Jun 24, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO. LTD.
- Minghao WU
- 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
LED Driving Circuit and LED Driving Method
- Publication number 20210144822
- Publication date May 13, 2021
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Zhenxu ZHA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SWITCHING POWER SUPPLY CONTROLLING CIRCUIT AND CONTROLLING METHOD T...
- Publication number 20210057979
- Publication date Feb 25, 2021
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Yongji HE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control Method and Control Circuit for Switching Power Supply Circu...
- Publication number 20210058001
- Publication date Feb 25, 2021
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Xunjin DOU
- 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
SUPPLY METHOD OF DUAL-CHIP POWER CIRCUIT AND DUAL-CHIP POWER CIRCUIT
- Publication number 20200336060
- Publication date Oct 22, 2020
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Hao LONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL METHOD OF SINGLE LIVE LINE CHARGING CIRCUIT, CONTROL CIRCUI...
- Publication number 20200335983
- Publication date Oct 22, 2020
- Joulwatt Technology (Hangzhou)Co.,LTD.
- Hao LONG
- 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
Control circuit and control method for lighting circuit, and lighti...
- Publication number 20190350055
- Publication date Nov 14, 2019
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Zhongwu WU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Information Patent Application
SYNCHRONOUS RECTIFICATION CONTROL CIRCUIT, METHOD AND FLYBACK SWITC...
- Publication number 20180091040
- Publication date Mar 29, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED CIRCUIT WITH MULTIPLEXED PIN AND PIN MULTIPLEXING METHOD
- Publication number 20180091126
- Publication date Mar 29, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Yang CHENG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Battery Balance Circuit, Control Method for Battery Balance and Bat...
- Publication number 20180090950
- Publication date Mar 29, 2018
- Joulwatt Technology (Zhangjiagang) Co., Ltd.
- Libin Huang
- G01 - MEASURING TESTING
Information Patent Application
CONTROL METHOD AND CONTROL CIRCUIT FOR SWITCH CIRCUIT AND SWITCH CI...
- Publication number 20180062632
- Publication date Mar 1, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVE METHOD AND DRIVE CIRCUIT FOR POWER SWITCH, AND POWER SUPPLY S...
- Publication number 20180062641
- Publication date Mar 1, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCH CIRCUIT AND SWITCHING...
- Publication number 20180062526
- Publication date Mar 1, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control Method, Control Circuit and Device for Switching Circuit
- Publication number 20180062511
- Publication date Mar 1, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RIPPLE REMOVING CIRCUIT AND LED CONTROL CIRCUIT APPLYING THE SAME
- Publication number 20180063911
- Publication date Mar 1, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Lang BAI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit and Method for Overcurrent Control and Power Supply System...
- Publication number 20180041111
- Publication date Feb 8, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Siopang CHAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Volatage-Deviation Detecting And Adjusting System For Balance Modul...
- Publication number 20180039294
- Publication date Feb 8, 2018
- Hangzhou Xieneng Technology Co.,LTD.
- Xunwei Zhou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Xunwei ZHOU

Person

Patents Grantslast 30 patents

Control method of switching circuit, control circuit of switching c...

Power transistor driving method, driving circuit and switching circuit

LED driving circuit and LED driving method

Control method of single live line charging circuit, control circui...

Power transistor driving method, driving circuit and switching circuit

Control method and control circuit for switching power supply circu...

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

Active clamping flyback circuit and control method thereof

Switching power supply controlling circuit and controlling method t...

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

Power device driving method and drive circuit for switching circuit...

Supply method of dual-chip power circuit and dual-chip power circuit

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

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

Control circuit and control method for lighting circuit, and lighti...

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

Bus-based information collection system with micro power consumptio...

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...

Patents Applicationslast 30 patents

CONTROL METHOD OF SWITCHING CIRCUIT, CONTROL CIRCUIT OF SWITCHING C...

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...

LED Driving Circuit and LED Driving Method

SWITCHING POWER SUPPLY CONTROLLING CIRCUIT AND CONTROLLING METHOD T...

Control Method and Control Circuit for Switching Power Supply Circu...

ACTIVE CLAMPING FLYBACK CIRCUIT AND CONTROL METHOD THEREOF

SUPPLY METHOD OF DUAL-CHIP POWER CIRCUIT AND DUAL-CHIP POWER CIRCUIT

CONTROL METHOD OF SINGLE LIVE LINE CHARGING CIRCUIT, CONTROL CIRCUI...

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

FLYBACK SWITCHING POWER SUPPLY

Control circuit and control method for lighting circuit, and lighti...

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...

SYNCHRONOUS RECTIFICATION CONTROL CIRCUIT, METHOD AND FLYBACK SWITC...

INTEGRATED CIRCUIT WITH MULTIPLEXED PIN AND PIN MULTIPLEXING METHOD

Battery Balance Circuit, Control Method for Battery Balance and Bat...

CONTROL METHOD AND CONTROL CIRCUIT FOR SWITCH CIRCUIT AND SWITCH CI...

DRIVE METHOD AND DRIVE CIRCUIT FOR POWER SWITCH, AND POWER SUPPLY S...

CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCH CIRCUIT AND SWITCHING...

Control Method, Control Circuit and Device for Switching Circuit

RIPPLE REMOVING CIRCUIT AND LED CONTROL CIRCUIT APPLYING THE SAME

Circuit and Method for Overcurrent Control and Power Supply System...

Volatage-Deviation Detecting And Adjusting System For Balance Modul...