ER-WEI RUAN

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode street lamp control system
- Patent number 9,723,694
- Issue date Aug 1, 2017
- Champ Tech Optical (Foshan) Corporation
- Shih-Hsun Wung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DIODE STREET LAMP CONTROL SYSTEM
- Publication number 20160309568
- Publication date Oct 20, 2016
- CHAMP TECH OPTICAL (FOSHAN) CORPORATION
- SHIH-HSUN WUNG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR