Yuancheng REN

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

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
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
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
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
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
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
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
Isolating switch circuit and control method thereof
- Patent number 10,090,750
- Issue date Oct 2, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated circuit with multiplexed pin and pin multiplexing method
- Patent number 10,075,152
- Issue date Sep 11, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Yang Cheng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ripple removing circuit and LED control circuit applying the same
- Patent number 9,918,365
- Issue date Mar 13, 2018
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Lang Bai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bidirectional switch circuit for power banks and the method thereof
- Patent number 9,882,405
- Issue date Jan 30, 2018
- Chengdu Monolithic Power Systems Co., Ltd.
- Min Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-adaption current control circuit
- Patent number 9,787,182
- Issue date Oct 10, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Lang Bai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Body diode conduction optimization in MOSFET synchronous rectifier
- Patent number 9,608,532
- Issue date Mar 28, 2017
- JoulWatt Technology Inc. Limited
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolated switching mode power supply and the method thereof
- Patent number 9,595,885
- Issue date Mar 14, 2017
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Peak sample circuit for AC voltage and method thereof
- Patent number 9,577,514
- Issue date Feb 21, 2017
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-mode PFC control and control method thereof
- Patent number 9,479,046
- Issue date Oct 25, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Sicong Lin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply system with ripple suppression circuit and ripple supp...
- Patent number 9,467,039
- Issue date Oct 11, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Naixing Kuang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driver, LED driving method and controller for LED driver
- Patent number 9,449,546
- Issue date Sep 20, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Naixing Kuang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Switching charger, the control circuit and the control method thereof
- Patent number 9,431,845
- Issue date Aug 30, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Min Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flyback converter with current controlled low power mode
- Patent number 9,407,151
- Issue date Aug 2, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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
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
SWITCH CONTROL CIRCUIT AND SWITCH CIRCUIT
- Publication number 20170338814
- Publication date Nov 23, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Feng XU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Circuit and Method for Detecting Current Zero-Crossing Point, and C...
- Publication number 20170310313
- Publication date Oct 26, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Pitleong Wong
- G01 - MEASURING TESTING
Information Patent Application
Power Supply Protection Circuit and Method
- Publication number 20170222550
- Publication date Aug 3, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Siopang CHAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SELF-ADAPTION CURRENT CONTROL CIRCUIT
- Publication number 20170194856
- Publication date Jul 6, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Lang BAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT FOR INCREASING BUCK OUTPUT VOLTAGE
- Publication number 20170117802
- Publication date Apr 27, 2017
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Junming ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BODY DIODE CONDUCTION OPTIMIZATION IN MOSFET SYNCHRONOUS RECTIFIER
- Publication number 20160294298
- Publication date Oct 6, 2016
- Joulwatt Technology Inc Limited
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM WITH RIPPLE SUPPRESSION CIRCUIT AND RIPPLE SUPP...
- Publication number 20160065051
- Publication date Mar 3, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Naixing Kuang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING MODE POWER SUPPLIES WITH PRIMARY SIDE REGULATION AND ASSO...
- Publication number 20150207420
- Publication date Jul 23, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LED DRIVER, LED DRIVING METHOD AND CONTROLLER FOR LED DRIVER
- Publication number 20150179098
- Publication date Jun 25, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Naixing Kuang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
BIDIRECTIONAL SWITCH CIRCUIT FOR POWER BANKS AND THE METHOD THEREOF
- Publication number 20150123480
- Publication date May 7, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Min Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH EFFICIENT ISOLATED SWITCHING CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20150103569
- Publication date Apr 16, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PEAK SAMPLE CIRCUIT FOR AC VOLTAGE AND METHOD THEREOF
- Publication number 20150016154
- Publication date Jan 15, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGHLY EFFICIENT PFC CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20140285163
- Publication date Sep 25, 2014
- Chengdu Monolithic Power Systems Co., Ltd.
- Sicon Lin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING CHARGER, THE CONTROL CIRCUIT AND THE CONTROL METHOD THEREOF
- Publication number 20140152243
- Publication date Jun 5, 2014
- Chengdu Monolithic Power Systems Co., Ltd.
- Min Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Yuancheng REN

Person

Patents Grantslast 30 patents

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...

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

Protection circuit and illumination driving circuit

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

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

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

Bleeder circuit

Bleeder circuit and control method thereof, and LED control circuit

Isolating switch circuit and control method thereof

Integrated circuit with multiplexed pin and pin multiplexing method

Ripple removing circuit and LED control circuit applying the same

Bidirectional switch circuit for power banks and the method thereof

Self-adaption current control circuit

Body diode conduction optimization in MOSFET synchronous rectifier

Isolated switching mode power supply and the method thereof

Peak sample circuit for AC voltage and method thereof

Multi-mode PFC control and control method thereof

Power supply system with ripple suppression circuit and ripple supp...

LED driver, LED driving method and controller for LED driver

Switching charger, the control circuit and the control method thereof

Flyback converter with current controlled low power mode

Patents Applicationslast 30 patents

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

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...

SWITCH CONTROL CIRCUIT AND SWITCH CIRCUIT

Circuit and Method for Detecting Current Zero-Crossing Point, and C...

Power Supply Protection Circuit and Method

SELF-ADAPTION CURRENT CONTROL CIRCUIT

CIRCUIT FOR INCREASING BUCK OUTPUT VOLTAGE

BODY DIODE CONDUCTION OPTIMIZATION IN MOSFET SYNCHRONOUS RECTIFIER

POWER SUPPLY SYSTEM WITH RIPPLE SUPPRESSION CIRCUIT AND RIPPLE SUPP...

SWITCHING MODE POWER SUPPLIES WITH PRIMARY SIDE REGULATION AND ASSO...

LED DRIVER, LED DRIVING METHOD AND CONTROLLER FOR LED DRIVER

BIDIRECTIONAL SWITCH CIRCUIT FOR POWER BANKS AND THE METHOD THEREOF

HIGH EFFICIENT ISOLATED SWITCHING CONVERTER AND CONTROL METHOD THEREOF

PEAK SAMPLE CIRCUIT FOR AC VOLTAGE AND METHOD THEREOF

HIGHLY EFFICIENT PFC CIRCUIT AND CONTROL METHOD THEREOF

SWITCHING CHARGER, THE CONTROL CIRCUIT AND THE CONTROL METHOD THEREOF