Zhanqi Du

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Baldwin Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Phase controlled dimming LED driver system and method thereof
- Patent number 9,167,641
- Issue date Oct 20, 2015
- LIGHTECH ELECTRONIC INDUSTRIES LTD.
- Peter W. Shackle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballasts with high-frequency-current blocking component...
- Patent number 8,736,189
- Issue date May 27, 2014
- Fulham Company Limited
- Peter W. Shackle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phase controlled dimming LED driver system and method thereof
- Patent number 8,203,276
- Issue date Jun 19, 2012
- Lightech Electronic Industries Ltd.
- Peter W. Shackle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC BALLASTS
- Publication number 20140252991
- Publication date Sep 11, 2014
- FULHAM COMPANY LIMITED
- Peter W. Shackle
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHASE CONTROLLED DIMMING LED DRIVER SYSTEM AND METHOD THEREOF
- Publication number 20110148318
- Publication date Jun 23, 2011
- Lightech Electronic Industries Ltd.
- Peter W. SHACKLE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD, SYSTEM AND CURRENT LIMITING CIRCUIT FOR PREVENTING EXCESS C...
- Publication number 20100253245
- Publication date Oct 7, 2010
- Lightech Electronic Industries Ltd.
- Zhanqi Du
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PHASE CONTROLLED DIMMING LED DRIVER SYSTEM AND METHOD THEREOF
- Publication number 20100134038
- Publication date Jun 3, 2010
- Lightech Electronic Industries Ltd.
- Peter W. SHACKLE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLASTS
- Publication number 20080150447
- Publication date Jun 26, 2008
- Peter W. Shackle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR