Yanyan Sun

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
LED lamp
- Patent number D721828
- Issue date Jan 27, 2015
- Shanghai Sansi Electronics Engineering Co., Ltd
- Ming Chen
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
Centralized Photosensitive LED Streetlight Control System
- Publication number 20140239819
- Publication date Aug 28, 2014
- Shanghai Sansi Electronics Engineering Co., Ltd
- Yinghua Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR