NAN ZENG

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lamp tube switching circuit
- Patent number 8,604,721
- Issue date Dec 10, 2013
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
- Qing-Shan Cao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LAMP TUBE SWITCHING CIRCUIT
- Publication number 20130002152
- Publication date Jan 3, 2013
- HON HAI Precision Industry CO., LTD.
- QING-SHAN CAO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR