ER

Er-Wei Ruan

C( Champ Tech Optical (Foshan): 1 patents #24 of 54Top 45%
Overall (All Time): #2,957,927 of 4,157,543Top 75%
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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