Lianfeng Ma

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Guangde, CN

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Patents Grantslast 30 patents

Information Patent Grant
Capacitive full-wave circuit for LED light strings
- Patent number 9,955,538
- Issue date Apr 24, 2018
- 1 Energy Solutions, Inc.
- Jing Jing Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Capacitive full-wave circuit for LED light strings
- Patent number 8,723,432
- Issue date May 13, 2014
- 1 Energy Solutions, Inc.
- Jing Jing Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Capacitive full-wave circuit for LED light strings
- Patent number 8,314,564
- Issue date Nov 20, 2012
- 1 Energy Solutions, Inc.
- Jing Jing Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Capacitive Full-Wave Circuit for LED Light Strings
- Publication number 20140250685
- Publication date Sep 11, 2014
- 1 ENERGY SOLUTIONS, INC.
- Jing Jing Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Capacitive Full-Wave Circuit for LED Light Strings
- Publication number 20120233854
- Publication date Sep 20, 2012
- Jing Jing Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Capacitive Full-Wave Circuit for LED Light Strings
- Publication number 20100109560
- Publication date May 6, 2010
- Jing Jing Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...