Shu-Jun Chang

Follow

Person

Xinshe District, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Traffic signal light device
- Patent number 8,833,978
- Issue date Sep 16, 2014
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
TRAFFIC SIGNAL LIGHT DEVICE
- Publication number 20130107540
- Publication date May 2, 2013
- Leotek Electronics Corporation
- Chen-Ho WU
- G02 - OPTICS