Guoji Zhong

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Circuit for driving fluorescent lamp and light-emitting diode
- Patent number 8,664,879
- Issue date Mar 4, 2014
- Osram AG
- Wei Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Filament detection circuit
- Patent number 8,659,240
- Issue date Feb 25, 2014
- Osram AG
- Junying Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Filament Detection Circuit
- Publication number 20120313549
- Publication date Dec 13, 2012
- OSRAM AG
- Junying Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit for driving fluorescent lamp and light-emitting diode
- Publication number 20120248994
- Publication date Oct 4, 2012
- OSRAM AG
- Wei Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR