Inventor
WU CHING-CHIN
TW7 patents
⚠️ This page may combine multiple inventors who share the name “WU CHING-CHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND TECH RES INST
6 patentsUS7251412B2Jul 31, 2007
Backlight modules using diffraction optical elements
IND TECH RES INST2 citations60
US7113690B2Sep 26, 2006
Anti-counterfeit method and system by using a nano metal grating
IND TECH RES INST2 citations60
US6823113B2Nov 23, 2004
Grating interference device with adjustable resolution
IND TECH RES INST4 citations60
US6701045B2Mar 2, 2004
Planar optical waveguide dense wavelength division multiplexer
IND TECH RES INST1 citations50
US7543940B2Jun 9, 2009
Virtual input element image projection apparatus
IND TECH RES INST1 citations49
US7224541B2May 29, 2007
Zoom lens
IND TECH RES INST1 citations49