Junming ZHANG

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Bridge circuit with series-connected switches and control method th...
- Patent number 11,671,019
- Issue date Jun 6, 2023
- Zhejiang University
- Shuai Shao
- 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
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
Control circuit and control method for a power converter
- Patent number 10,135,330
- Issue date Nov 20, 2018
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Junming Zhang
- 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
High efficiency gate drive circuit for power transistors
- Patent number 9,438,228
- Issue date Sep 6, 2016
- Board of Trustees of Michigan State University
- Fang Zheng Peng
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Information Patent Grant
Switch mode power supply, control circuit and associated control me...
- Patent number 9,331,583
- Issue date May 3, 2016
- Chengdu Monolithic Power Systems Co., Ltd.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC signal detector and the method thereof
- Patent number 9,201,102
- Issue date Dec 1, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- G01 - MEASURING TESTING
Information Patent Grant
Switching mode power supply and the method thereof
- Patent number 9,093,909
- Issue date Jul 28, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolated switching mode power supply and the method thereof
- Patent number 9,065,348
- Issue date Jun 23, 2015
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emitting diode driver systems and associated methods of control
- Patent number 9,035,566
- Issue date May 19, 2015
- Monolithic Power Systems, Inc.
- Lei Du
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Off time control method for switching regulator
- Patent number 8,971,061
- Issue date Mar 3, 2015
- Monolithic Power Systems, Inc.
- En Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driver systems for driving light emitting diodes and associated dri...
- Patent number 8,952,632
- Issue date Feb 10, 2015
- Monolithic Power Systems, Inc.
- Lei Du
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power systems for driving light emitting diodes and associated meth...
- Patent number 8,907,592
- Issue date Dec 9, 2014
- Monolithic Power Sytems, Inc.
- Jin Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bridgeless PFC converter and the method thereof
- Patent number 8,766,605
- Issue date Jul 1, 2014
- Chengdu Monolithic Power Systems Co., Ltd.
- Yuancheng Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Peak current control circuit for switching mode power supply and me...
- Patent number 8,749,997
- Issue date Jun 10, 2014
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Compensation circuit for constant current regulation of power suppl...
- Patent number 8,593,841
- Issue date Nov 26, 2013
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Triac dimmer compatible switching mode power supply and method thereof
- Patent number 8,581,518
- Issue date Nov 12, 2013
- Monolithic Power Systems, Inc.
- Naixing Kuang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Switching mode power supply with primary side control
- Patent number 8,576,588
- Issue date Nov 5, 2013
- Monolithic Power Systems, Inc.
- Naixing Kuang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Latch-off of synchronous rectification for light load control
- Patent number 8,537,584
- Issue date Sep 17, 2013
- Monolithic Power Systems, Inc.
- Yuancheng Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching mode power supply with spectrum shaping and the method th...
- Patent number 8,498,135
- Issue date Jul 30, 2013
- Monolithic Power Systems, Inc.
- En Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching mode power supply with a multi-mode controller
- Patent number 8,472,217
- Issue date Jun 25, 2013
- Monolithic Power Systems, Inc.
- En Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Latch-off of real time synchronous rectification for light load con...
- Patent number 8,400,790
- Issue date Mar 19, 2013
- Monolithic Power Systems, Inc.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching mode power supplies and associated methods of control
- Patent number 8,391,030
- Issue date Mar 5, 2013
- Monolithic Power Systems, Inc.
- En Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit and method for striking CCFL
- Patent number 8,373,349
- Issue date Feb 12, 2013
- Monolithic Power Systems, Inc.
- Junming Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Switching regulator with frequency limitation and method thereof
- Patent number 8,320,139
- Issue date Nov 27, 2012
- Monolithic Power Systems, Inc.
- Jin Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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
Switching Mode Power Supply With Zero Voltage Switching And The Met...
- Publication number 20230109722
- Publication date Apr 13, 2023
- ZHEJIANG UNIVERSITY
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BRIDGE CIRCUIT WITH SERIES-CONNECTED SWITCHES AND CONTROL METHOD TH...
- Publication number 20220038010
- Publication date Feb 3, 2022
- Zhejiang University
- Shuai SHAO
- 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
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
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
CONTROL CIRCUIT, CONTROL METHOD AND POWER CONVERTER THEREOF
- Publication number 20180041119
- Publication date Feb 8, 2018
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Junming Zhang
- 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
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
HIGH EFFICIENCY GATE DRIVE CIRCUIT FOR POWER TRANSISTORS
- Publication number 20150028923
- Publication date Jan 29, 2015
- Board of Trustees of Michigan State University
- Fang Zheng Peng
- H03 - BASIC ELECTRONIC CIRCUITRY
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
SWITCH MODE POWER SUPPLY, CONTROL CIRCUIT AND ASSOCIATED CONTROL ME...
- Publication number 20140177290
- Publication date Jun 26, 2014
- Chengdu Monolithic Power Systems Co., Ltd.
- Junming Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC SIGNAL DETECTOR AND THE METHOD THEREOF
- Publication number 20140153301
- Publication date Jun 5, 2014
- Siran Wang
- G01 - MEASURING TESTING
Information Patent Application
SWITCHING REGULATOR, THE CONTROL CIRCUIT AND THE METHOD THEREOF
- Publication number 20130308349
- Publication date Nov 21, 2013
- Monolithic Power Systems, Inc.
- Yangwei Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF
- Publication number 20130301311
- Publication date Nov 14, 2013
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ISOLATED SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF
- Publication number 20130300384
- Publication date Nov 14, 2013
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ISOLATED SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF
- Publication number 20130301310
- Publication date Nov 14, 2013
- Chengdu Monolithic Power Systems Co., Ltd.
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BRIDGELESS PFC CONVERTER AND THE METHOD THEREOF
- Publication number 20120293141
- Publication date Nov 22, 2012
- Chengdu Monolithic Power Systems Co., Ltd.
- Bo Zhang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BALLAST AND ASSOCIATED CONTROL CIRCUIT
- Publication number 20120248984
- Publication date Oct 4, 2012
- Chengdu Monolithic Power Systems Co., Ltd.
- Jin Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Bridgeless PFC Converter and the Method Thereof
- Publication number 20120139505
- Publication date Jun 7, 2012
- Yuancheng Ren
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Peak Current Control Circuit for Switching Mode Power Supply and Me...
- Publication number 20120112795
- Publication date May 10, 2012
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Compensation Circuit for Constant Current Regulation of Power Suppl...
- Publication number 20120113684
- Publication date May 10, 2012
- Siran Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND CIRCUIT FOR CURRENT BALANCE
- Publication number 20120013187
- Publication date Jan 19, 2012
- Junming Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
TRIAC DIMMER COMPATIBLE SWITCHING MODE POWER SUPPLY AND METHOD THEREOF
- Publication number 20110285301
- Publication date Nov 24, 2011
- Naixing Kuang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED DRI...
- Publication number 20110227492
- Publication date Sep 22, 2011
- Lei Du
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METH...
- Publication number 20110227497
- Publication date Sep 22, 2011
- Jin Hu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Junming ZHANG

Person

Patents Grantslast 30 patents

Bridge circuit with series-connected switches and control method th...

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

Protection circuit and illumination driving circuit

Bleeder circuit

Control circuit and control method for a power converter

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

High efficiency gate drive circuit for power transistors

Flyback converter with current controlled low power mode

Switch mode power supply, control circuit and associated control me...

AC signal detector and the method thereof

Switching mode power supply and the method thereof

Isolated switching mode power supply and the method thereof

Light emitting diode driver systems and associated methods of control

Off time control method for switching regulator

Driver systems for driving light emitting diodes and associated dri...

Power systems for driving light emitting diodes and associated meth...

Bridgeless PFC converter and the method thereof

Peak current control circuit for switching mode power supply and me...

Compensation circuit for constant current regulation of power suppl...

Triac dimmer compatible switching mode power supply and method thereof

Switching mode power supply with primary side control

Latch-off of synchronous rectification for light load control

Switching mode power supply with spectrum shaping and the method th...

Switching mode power supply with a multi-mode controller

Latch-off of real time synchronous rectification for light load con...

Switching mode power supplies and associated methods of control

Circuit and method for striking CCFL

Switching regulator with frequency limitation and method thereof

Patents Applicationslast 30 patents

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

Switching Mode Power Supply With Zero Voltage Switching And The Met...

BRIDGE CIRCUIT WITH SERIES-CONNECTED SWITCHES AND CONTROL METHOD TH...

PROTECTION CIRCUIT AND ILLUMINATION DRIVING CIRCUIT

BLEEDER CIRCUIT

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

CONTROL CIRCUIT, CONTROL METHOD AND POWER CONVERTER THEREOF

CIRCUIT FOR INCREASING BUCK OUTPUT VOLTAGE

HIGH EFFICIENT ISOLATED SWITCHING CONVERTER AND CONTROL METHOD THEREOF

HIGH EFFICIENCY GATE DRIVE CIRCUIT FOR POWER TRANSISTORS

PEAK SAMPLE CIRCUIT FOR AC VOLTAGE AND METHOD THEREOF

HIGHLY EFFICIENT PFC CIRCUIT AND CONTROL METHOD THEREOF

SWITCH MODE POWER SUPPLY, CONTROL CIRCUIT AND ASSOCIATED CONTROL ME...

AC SIGNAL DETECTOR AND THE METHOD THEREOF

SWITCHING REGULATOR, THE CONTROL CIRCUIT AND THE METHOD THEREOF

SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF

ISOLATED SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF

ISOLATED SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF

BRIDGELESS PFC CONVERTER AND THE METHOD THEREOF

BALLAST AND ASSOCIATED CONTROL CIRCUIT

Bridgeless PFC Converter and the Method Thereof

Peak Current Control Circuit for Switching Mode Power Supply and Me...

Compensation Circuit for Constant Current Regulation of Power Suppl...

METHOD AND CIRCUIT FOR CURRENT BALANCE

TRIAC DIMMER COMPATIBLE SWITCHING MODE POWER SUPPLY AND METHOD THEREOF

DRIVER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED DRI...

POWER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METH...