P

Inventor

CHANG CHIUNG YU

TW8 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIUNG YU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VTERA TECHNOLOGY INC

3 patents
US6825498B2Nov 30, 2004

White light LED

VTERA TECHNOLOGY INC21 citations90
US6914315B2Jul 5, 2005

GaN-based heterostructure photodiode

VTERA TECHNOLOGY INC8 citations71
US6787828B2Sep 7, 2004

Optical-gate transistor and method of manufacturing the same

VTERA TECHNOLOGY INC0 citations40

VETRA TECHNOLOGY INC

2 patents
US6815722B2Nov 9, 2004

Light-emitting device with reduced lattice mismatch

VETRA TECHNOLOGY INC22 citations89
US6828169B2Dec 7, 2004

Method of forming group-III nitride semiconductor layer on a light-emitting device

VETRA TECHNOLOGY INC7 citations71

CHANG CHIUNG YU

2 patents
USD720896SJan 6, 2015

Multi-purpose rack for pet waterer and feeder

CHANG CHIUNG YU7 citations78
US10272507B2Apr 30, 2019

Scroll saw

CHANG CHIUNG YU0 citations36

(unassigned)

1 patent
US6835964B2Dec 28, 2004

GaN-based composition semiconductor light-emitting element and its window layer structure

0 citations50