TC

Tsang-Huai Chang

US Umax Data Systems: 4 patents #22 of 119Top 20%
📍 Changhua City, TW: #107 of 984 inventorsTop 15%
Overall (All Time): #868,098 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
RE41568 Closed circuit control device for scanner 2010-08-24
RE41272 Imaging apparatus with divers resolution 2010-04-27
6535305 Transmission mechanism for optical scanner Po-Hua Fang 2003-03-18
6118600 Lens switch apparatus 2000-09-12
6073923 Paper-feeding mechanism for a document duplicating machine Chin-I Lin, Jung-Ting Hsia 2000-06-13
6073924 Paper-loading mechanism for a document duplicating machine Chin-I Lin, Tsing-Kuan Lai 2000-06-13