ER

Er-Wei Ruan

C( Champ Tech Optical (Foshan): 1 patents #3 of 13Top 25%
Overall (2017): #428,677 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9723694 Light emitting diode street lamp control system Shih-Hsun Wung, Chun-Chi Chen, Chin-Che Hung, Yong Chen 2017-08-01