Inventor
CHANG HENG-HSIANG
TW5 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HENG-HSIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASIA OPTICAL CO INC
3 patentsUS7973983B2Jul 5, 2011
Light guide device and illumination module using the same
ASIA OPTICAL CO INC8 citations81
US7764920B2Jul 27, 2010
Duplex document feeder
ASIA OPTICAL CO INC8 citations81
US7826107B2Nov 2, 2010
Scanning device with a fastening unit for fastening a sensing unit to a scanner body
ASIA OPTICAL CO INC2 citations60