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Patents Grants
last 30 patents
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
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
Patents Applications
last 30 patents
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
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
CONTROL METHOD AND CONTROL CIRCUIT OF SWITCHED-MODE POWER SUPPLY, A...
Publication number
20230138876
Publication date
May 4, 2023
Joulwatt Technology Co., Ltd.
Xianghua Jiang
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
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