Joulwatt Technology Inc Limited

Organization

Hangzhou, CN

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Successive approximation analog-to-digital converter, analog-to-dig...
- Patent number 12,348,241
- Issue date Jul 1, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Yang Cheng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dimming method and dimming circuit
- Patent number 12,317,382
- Issue date May 27, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control method and control circuit of switched-mode power supply, a...
- Patent number 12,308,748
- Issue date May 20, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Xianghua Jiang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply circuit and light-emitting diode (LED) driving system...
- Patent number 12,294,301
- Issue date May 6, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Guoqiang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency regulating circuit, frequency regulating method and switc...
- Patent number 12,224,670
- Issue date Feb 11, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Yang Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dynamic automotive turn signal circuit and dynamic automotive turn...
- Patent number 12,221,033
- Issue date Feb 11, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Pitleong Wong
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Flyback converter and control method thereof
- Patent number 12,218,601
- Issue date Feb 4, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Xiangyong Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flyback converter and power supply system with dynamic under voltag...
- Patent number 12,218,600
- Issue date Feb 4, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Xiangyong Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current limiting circuit of switching circuit and switching circuit
- Patent number 12,206,393
- Issue date Jan 21, 2025
- JOULWATT TECHNOLOGY CO., LTD.
- Xiangyong Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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

Patents Applicationslast 30 patents

Information Patent Application
AFE CHIP WITH SYNCHRONOUS VOLTAGE SAMPLING AND BATTERY MANAGEMENT S...
- Publication number 20250239663
- Publication date Jul 24, 2025
- Joulwatt Technology Co., Ltd.
- Yating LU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FREQUENCY REGULATION CIRCUIT, REGULATION METHOD FOR SWITCHING POWER...
- Publication number 20250219540
- Publication date Jul 3, 2025
- Joulwatt Technology Co., Ltd.
- Sio Pang CHAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND CURRENT COMPARISON CIRCUIT
- Publication number 20250211108
- Publication date Jun 26, 2025
- Joulwatt Technology Co., Ltd.
- Pitleong WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT WITH HIGH-VOLTAGE STARTUP FUNCTION AND SWITCHING PO...
- Publication number 20250183804
- Publication date Jun 5, 2025
- Joulwatt Technology Co., Ltd.
- Yang YANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL METHOD FOR SWITCHING POWER SUPPLY AND SWITCHING POWER SUPPLY
- Publication number 20250158536
- Publication date May 15, 2025
- Joulwatt Technology Co., Ltd.
- Xiangyong XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Grid Switching Circuit and Circuit System
- Publication number 20250158399
- Publication date May 15, 2025
- Joulwatt Technology Co., Ltd.
- Pitleong Wong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FLYBACK CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20250149992
- Publication date May 8, 2025
- Joulwatt Technology Co., Ltd.
- Xiangyong XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DAISY CHAIN COMMUNICATION SYSTEM AND METHOD, BATTERY MANAGEMENT SYSTEM
- Publication number 20250139036
- Publication date May 1, 2025
- Joulwatt Technology Co., Ltd.
- Yating LU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHTING CIRCUIT AND CONTROL METHOD THEREOF
- Publication number 20250126689
- Publication date Apr 17, 2025
- Joulwatt Technology Co., Ltd.
- Wanyue HE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MULTIPHASE POWER CONVERTER AND CONTROL CIRCUIT, CONTROL METHOD THEREOF
- Publication number 20250105721
- Publication date Mar 27, 2025
- Joulwatt Technology Co., Ltd.
- Yang CHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CASCADE COMMUNICATION DEVICE AND METHOD AND BATTERY MANAGEMENT SYSTEM
- Publication number 20250097004
- Publication date Mar 20, 2025
- Joulwatt Technology Co., Ltd.
- Anyang ZHANG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
On-time Generator Circuit and Switching Converter
- Publication number 20250096682
- Publication date Mar 20, 2025
- Joulwatt Technology Co., Ltd.
- Zhuang Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ERROR AMPLIFIER SWITCHING CONVERTER AND A CONTROL METHOD OF ERROR A...
- Publication number 20250096756
- Publication date Mar 20, 2025
- Joulwatt Technology Co., Ltd.
- Yang CHENG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCH CONVERTER
- Publication number 20250062692
- Publication date Feb 20, 2025
- Joulwatt Technology Co., Ltd.
- Linjue LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND SLOPE SIGNAL GENERATOR AND SLOPE SIGNAL GENERAT...
- Publication number 20250030341
- Publication date Jan 23, 2025
- Joulwatt Technology Co., Ltd.
- Haitao WEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER ADOPTING HYBRID MODULATION AND CONTROL CIRCUIT AND...
- Publication number 20250023467
- Publication date Jan 16, 2025
- Joulwatt Technology Co., Ltd.
- Xiaoming WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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
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
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
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

Joulwatt Technology Inc Limited

Organization

Patents Grantslast 30 patents

Successive approximation analog-to-digital converter, analog-to-dig...

Dimming method and dimming circuit

Control method and control circuit of switched-mode power supply, a...

Power supply circuit and light-emitting diode (LED) driving system...

Frequency regulating circuit, frequency regulating method and switc...

Dynamic automotive turn signal circuit and dynamic automotive turn...

Flyback converter and control method thereof

Flyback converter and power supply system with dynamic under voltag...

Current limiting circuit of switching circuit and switching circuit

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

Patents Applicationslast 30 patents

AFE CHIP WITH SYNCHRONOUS VOLTAGE SAMPLING AND BATTERY MANAGEMENT S...

FREQUENCY REGULATION CIRCUIT, REGULATION METHOD FOR SWITCHING POWER...

POWER CONVERTER AND CURRENT COMPARISON CIRCUIT

CONTROL CIRCUIT WITH HIGH-VOLTAGE STARTUP FUNCTION AND SWITCHING PO...

CONTROL METHOD FOR SWITCHING POWER SUPPLY AND SWITCHING POWER SUPPLY

Power Grid Switching Circuit and Circuit System

FLYBACK CONVERTER AND CONTROL METHOD THEREOF

DAISY CHAIN COMMUNICATION SYSTEM AND METHOD, BATTERY MANAGEMENT SYSTEM

LIGHTING CIRCUIT AND CONTROL METHOD THEREOF

MULTIPHASE POWER CONVERTER AND CONTROL CIRCUIT, CONTROL METHOD THEREOF

CASCADE COMMUNICATION DEVICE AND METHOD AND BATTERY MANAGEMENT SYSTEM

On-time Generator Circuit and Switching Converter

ERROR AMPLIFIER SWITCHING CONVERTER AND A CONTROL METHOD OF ERROR A...

SWITCH CONVERTER

POWER CONVERTER AND SLOPE SIGNAL GENERATOR AND SLOPE SIGNAL GENERAT...

POWER CONVERTER ADOPTING HYBRID MODULATION AND CONTROL CIRCUIT AND...

FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF

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...

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

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

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

Trademarklast 30 trademarks