Qingfu Zhang

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Load drive circuit, load drive method, and luminaire
- Patent number 9,197,122
- Issue date Nov 24, 2015
- Osram GmbH
- Xusheng Yang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LOAD DRIVE CIRCUIT, LOAD DRIVE METHOD, AND LUMINAIRE
- Publication number 20150123568
- Publication date May 7, 2015
- OSRAM GMBH
- Xusheng Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER