Zeqiang Chen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
High power-factor control circuit and method for switched mode powe...
- Patent number 10,756,633
- Issue date Aug 25, 2020
- Diodes Incorporated
- Shihai Zhu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High power-factor control circuit and power supply
- Patent number 9,431,895
- Issue date Aug 30, 2016
- Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
- Na Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High power-factor control circuit and method for switched mode powe...
- Patent number 9,112,426
- Issue date Aug 18, 2015
- BCD Semiconductor Manufacturing Co., Ltd.
- Shihai Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control circuit and system for switch mode power supply
- Patent number 8,923,021
- Issue date Dec 30, 2014
- BCD Semiconductor Manufacturing Co., Ltd.
- Xuegang Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
HIGH POWER-FACTOR CONTROL CIRCUIT AND POWER SUPPLY
- Publication number 20160087523
- Publication date Mar 24, 2016
- Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
- NA LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH POWER-FACTOR CONTROL CIRCUIT AND METHOD FOR SWITCHED MODE POWE...
- Publication number 20150326131
- Publication date Nov 12, 2015
- BCD SEMICONDUCTOR MANUFACTURING CO., LTD.
- SHIHAI ZHU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND SYSTEM FOR SWITCH MODE POWER SUPPLY
- Publication number 20130148387
- Publication date Jun 13, 2013
- BCD Semiconductor Manufacturing Limited
- Xuegang Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH POWER-FACTOR CONTROL CIRCUIT AND METHOD FOR SWITCHED MODE POWE...
- Publication number 20120056551
- Publication date Mar 8, 2012
- BCD Semiconductor Manufacturing Limited
- Shihai Zhu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...