DH

Der-Rong Hsu

AP Acer Peripherals: 1 patents #42 of 137Top 35%
Overall (All Time): #3,628,698 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6124952 Magnification-variable optical scanner Han-Ping Shieh, Jinn-Chou Yoo, Chong-Min Chang 2000-09-26