Inventor
CHANG YOU-CHIA
US10 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YOU-CHIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV COLUMBIA
4 patentsUS11385410B2Jul 12, 2022
Millimeter scale long grating coupler
UNIV COLUMBIA2 citations68
US11984665B2May 14, 2024
Beam steering and receiving method based on an optical switch array
UNIV COLUMBIA0 citations57
US10746935B2Aug 18, 2020
Fiber-to-waveguide coupling with high alignment tolerance
UNIV COLUMBIA1 citations57
US11256031B2Feb 22, 2022
Resonance-free light recycling in waveguides
UNIV COLUMBIA0 citations54
IND TECH RES INST
4 patentsUS8049961B2Nov 1, 2011
Lens unit and projection screen made of the same
IND TECH RES INST2 citations61
US7288776B2Oct 30, 2007
Optical head capable of providing a subwavelength beams
IND TECH RES INST5 citations59
US7957250B2Jun 7, 2011
Optical head
IND TECH RES INST1 citations49
US7792006B2Sep 7, 2010
Optical head capable of providing a subwavelength beams
IND TECH RES INST0 citations47