Joulwatt Technology Inc Limited

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Flyback converter, constant-current control method, and lighting sy...
- Patent number 12,119,749
- Issue date Oct 15, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Guoqiang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch protection circuit and power converter suited for different...
- Patent number 12,107,413
- Issue date Oct 1, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Aimin Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lateral double-diffused transistor and manufacturing method thereof
- Patent number 12,100,741
- Issue date Sep 24, 2024
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Yang Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switched-mode power supply, power supply circuit thereof, and power...
- Patent number 12,101,025
- Issue date Sep 24, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Hao Long
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Asymmetric half-bridge flyback converter and control method thereof
- Patent number 12,057,777
- Issue date Aug 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Xiangyong Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 11,901,447
- Issue date Feb 13, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Guangtao Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Illumination device, LED driver circuit, bleeder control circuit an...
- Patent number 11,895,747
- Issue date Feb 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Wanyue He
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Leakage protection circuit and dimming drive circuit
- Patent number 11,895,751
- Issue date Feb 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Wanyue He
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting diode (LED) drive method and circuit, and LED lighti...
- Patent number 11,895,749
- Issue date Feb 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Yaohua He
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 11,894,457
- Issue date Feb 6, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Weiwei Ge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single live line switch circuit and control method thereof
- Patent number 11,863,172
- Issue date Jan 2, 2024
- JOULWATT TECHNOLOGY CO., LTD.
- Hao Long
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor structure and method for manufacturing the same
- Patent number 11,855,229
- Issue date Dec 26, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Guangtao Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching-type regulation driver and regulation driving method thereof
- Patent number 11,817,792
- Issue date Nov 14, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Zhiyong Su
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Buffer circuit for light emitting diode (LED) drive circuit, and LE...
- Patent number 11,805,581
- Issue date Oct 31, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Wanyue He
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Control method of switching circuit, control circuit of switching c...
- Patent number 11,791,704
- Issue date Oct 17, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Yin Zhou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous rectification control circuit and method, and flyback s...
- Patent number 11,784,575
- Issue date Oct 10, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Zhiyong Su
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inductive current simulation circuit of switching circuit, inductiv...
- Patent number 11,777,409
- Issue date Oct 3, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Aimin Xu
- 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
Semiconductor device and manufacturing method thereof
- Patent number 11,652,169
- Issue date May 16, 2023
- JOULWATT TECHNOLOGY CO., LTD.
- Guangtao Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transistor structure for electrostatic protection and method for ma...
- Patent number 11,652,098
- Issue date May 16, 2023
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Weihuai Wang
- H01 - BASIC ELECTRIC ELEMENTS
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
Manufacture method of lateral double-diffused transistor
- Patent number 11,495,675
- Issue date Nov 8, 2022
- JOULWATT TECHNOLOGY CO., LTD.
- Guangtao Han
- H01 - BASIC ELECTRIC ELEMENTS
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
Method and system for establishing metal interconnection layer capa...
- Patent number 11,288,431
- Issue date Mar 29, 2022
- JOULWATT TECHNOLOGY (HANGZHOU) CO., LTD.
- Shengfeng Jiang
- G06 - COMPUTING CALCULATING COUNTING
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

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Patents Applicationslast 30 patents

Information Patent Application
Flyback Switch Converter and Control Circuit Thereof
- Publication number 20240429827
- Publication date Dec 26, 2024
- Joulwatt Technology Co., Ltd.
- Xiangyong Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM CONTROL METHOD AND POWER SUPPLY SYSTEM
- Publication number 20240413641
- Publication date Dec 12, 2024
- Joulwatt Technology Co., Ltd.
- Min XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ASYMMETRIC HALF-BRIDGE FLYBACK CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20240356448
- Publication date Oct 24, 2024
- Joulwatt Technology Co., Ltd.
- Xiangyong XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND CONTROL CIRCUIT THEREOF
- Publication number 20240339929
- Publication date Oct 10, 2024
- Joulwatt Technology (Shanghai) Co., Ltd.
- Linjue LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LIGHTING CONTROL CIRCUIT, LIGHTING CONTROL METHOD, AND LIGHTING CIR...
- Publication number 20240314900
- Publication date Sep 19, 2024
- Joulwatt Technology Co., Ltd.
- Minghao WU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVING CONTROL CIRCUIT OF POWER TRANSISTOR, LIGHTING CONTROL CIRCU...
- Publication number 20240314906
- Publication date Sep 19, 2024
- Joulwatt Technology Co., Ltd.
- Minghao WU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
OPERATIONAL AMPLIFIER CIRCUIT AND SWITCHING CIRCUIT USING THE SAME
- Publication number 20240213939
- Publication date Jun 27, 2024
- Joulwatt Technology Co., Ltd.
- Yang CHENG
- H03 - BASIC ELECTRONIC CIRCUITRY
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
BUCK-BOOST CONVERTER AND CONTROL METHOD THEREFOR
- Publication number 20240146197
- Publication date May 2, 2024
- Joulwatt Technology Co., Ltd.
- Linjue LI
- 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
Fast-Response Switch Power Supply Control Circuit and Control Metho...
- Publication number 20230421062
- Publication date Dec 28, 2023
- Joulwatt Technology Co., Ltd.
- Yangwei YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PACKAGE STRUCTURE FOR POWER CONVERTOR AND MANUFACTURING METHOD THEREOF
- Publication number 20230411236
- Publication date Dec 21, 2023
- Joulwatt Technology Co., Ltd.
- Anda ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DROPOUT VOLTAGE GENERATION CIRCUIT, SWITCHING POWER SUPPLY AND DROP...
- Publication number 20230412075
- Publication date Dec 21, 2023
- Joulwatt Technology Co., Ltd.
- Yin ZHOU
- 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
CONTROL CIRCUIT AND CONTROL METHOD FOR MULTIPHASE POWER SUPPLY AND...
- Publication number 20230361681
- Publication date Nov 9, 2023
- Joulwatt Technology Co., Ltd.
- Yang CHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CIRCUIT AND LIGHT-EMITTING DIODE (LED) DRIVING SYSTEM...
- Publication number 20230344341
- Publication date Oct 26, 2023
- Joulwatt Technology Co., Ltd.
- Guoqiang LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY, AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20230327552
- Publication date Oct 12, 2023
- Joulwatt Technology Co., Ltd.
- Siyun WANG
- 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
SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER, ANALOG-TO-DIG...
- Publication number 20230318616
- Publication date Oct 5, 2023
- Joulwatt Technology Co., Ltd.
- Yang CHENG
- H03 - BASIC ELECTRONIC CIRCUITRY
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
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20230207691
- Publication date Jun 29, 2023
- Joulwatt Technology Co., Ltd.
- GUANGTAO HAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROSTATIC PROTECTION DEVICE INCLUDING SCR AND MANUFACTURING MET...
- Publication number 20230207556
- Publication date Jun 29, 2023
- Joulwatt Technology Co., Ltd.
- Tao HU
- H01 - BASIC ELECTRIC ELEMENTS

Joulwatt Technology Inc Limited

Organization

Patents Grantslast 30 patents

Flyback converter, constant-current control method, and lighting sy...

Switch protection circuit and power converter suited for different...

Lateral double-diffused transistor and manufacturing method thereof

Switched-mode power supply, power supply circuit thereof, and power...

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

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

Asymmetric half-bridge flyback converter and control method thereof

Semiconductor device and manufacturing method thereof

Illumination device, LED driver circuit, bleeder control circuit an...

Leakage protection circuit and dimming drive circuit

Light emitting diode (LED) drive method and circuit, and LED lighti...

Semiconductor device and manufacturing method thereof

Single live line switch circuit and control method thereof

Semiconductor structure and method for manufacturing the same

Switching-type regulation driver and regulation driving method thereof

Buffer circuit for light emitting diode (LED) drive circuit, and LE...

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

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

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

Inductive current simulation circuit of switching circuit, inductiv...

Flyback switch circuit and control method thereof

Semiconductor device and manufacturing method thereof

Transistor structure for electrostatic protection and method for ma...

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

Manufacture method of lateral double-diffused transistor

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...

Method and system for establishing metal interconnection layer capa...

Power transistor driving method, driving circuit and switching circuit

Patents Applicationslast 30 patents

Flyback Switch Converter and Control Circuit Thereof

POWER SUPPLY SYSTEM CONTROL METHOD AND POWER SUPPLY SYSTEM

ASYMMETRIC HALF-BRIDGE FLYBACK CONVERTER AND CONTROL METHOD THEREOF

POWER CONVERTER AND CONTROL CIRCUIT THEREOF

LIGHTING CONTROL CIRCUIT, LIGHTING CONTROL METHOD, AND LIGHTING CIR...

DRIVING CONTROL CIRCUIT OF POWER TRANSISTOR, LIGHTING CONTROL CIRCU...

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

OPERATIONAL AMPLIFIER CIRCUIT AND SWITCHING CIRCUIT USING THE SAME

FLYBACK CONVERTER WITH HIGH EFFICIENCY AND CONTROL METHOD THEREOF

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

BUCK-BOOST CONVERTER AND CONTROL METHOD THEREFOR

Protection Circuit of Flyback Converter and Control Method

Protection Circuit of Flyback Converter and Control Method

SUPPLY CIRCUIT AND SWITCHED MODE POWER SUPPLY

Fast-Response Switch Power Supply Control Circuit and Control Metho...

PACKAGE STRUCTURE FOR POWER CONVERTOR AND MANUFACTURING METHOD THEREOF

DROPOUT VOLTAGE GENERATION CIRCUIT, SWITCHING POWER SUPPLY AND DROP...

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

CONTROL CIRCUIT AND CONTROL METHOD FOR MULTIPHASE POWER SUPPLY AND...

POWER SUPPLY CIRCUIT AND LIGHT-EMITTING DIODE (LED) DRIVING SYSTEM...

SWITCHING POWER SUPPLY, AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF

DIMMING METHOD AND DIMMING CIRCUIT

SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER, ANALOG-TO-DIG...

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

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

ELECTROSTATIC PROTECTION DEVICE INCLUDING SCR AND MANUFACTURING MET...