HC

Heng-Hsiang Chang

AC Asia Optical Co.: 3 patents #75 of 366Top 25%
📍 Danei, TW: #144 of 1,188 inventorsTop 15%
Overall (All Time): #1,022,038 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7973983 Light guide device and illumination module using the same Hsien-Chi Lin, Wen-Lang Hung, Kung-Hsin Teng 2011-07-05
7826107 Scanning device with a fastening unit for fastening a sensing unit to a scanner body Hsien-Chi Lin 2010-11-02
7764920 Duplex document feeder Hsien-Chi Lin, Kung-Hsin Teng 2010-07-27
7486423 Linear guiding apparatus Chin-Chung Lien 2009-02-03
7154643 Linear guiding apparatus Chin-Chung Lien 2006-12-26