Inventor

CHANG CHU-FEI

US2 patents

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

ARCSOFT INC

1 patent

US7046840B2May 16, 2006

3-D reconstruction engine

ARCSOFT INC39 citations91

IRONYUN INC

1 patent

US10223594B2Mar 5, 2019

Method of detecting whether surveillance camera is normal or abnormal with one of a plurality of abnormal properties

IRONYUN INC0 citations20