Rui Ma

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Panyu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Driver arrangement for LED lamps
- Patent number 7,830,094
- Issue date Nov 9, 2010
- OSRAM Gesellschaft mit beschraenkter Haftung
- Xi Yuan He
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor lamp
- Patent number 7,800,119
- Issue date Sep 21, 2010
- OSRAM Gesellschaft mit beschrankänkter Haftung
- Xiyuan He
- F21 - LIGHTING
Information Patent Grant
Mounting arrangement for LED lamps
- Patent number 7,559,674
- Issue date Jul 14, 2009
- OSRAM Gesellschaft mit beschraenkter Haftung
- Xi Yuan He
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor lamp
- Publication number 20080157112
- Publication date Jul 3, 2008
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Xiyuan He
- F21 - LIGHTING
Information Patent Application
DRIVER ARRANGEMENT FOR LED LAMPS
- Publication number 20070290625
- Publication date Dec 20, 2007
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Xi Yuan HE
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Mounting arrangement for LED lamps
- Publication number 20070279906
- Publication date Dec 6, 2007
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Xi Yuan He
- F21 - LIGHTING