Inventor
Liu jian hua
CN10 patents
⚠️ This page may combine multiple inventors who share the name “Liu jian hua”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANG CHIH-KUANG
3 patentsUSD696147SDec 24, 2013
Optical module for image measuring system
CHANG CHIH-KUANG0 citations51
US9075302B2Jul 7, 2015
Computing device, storage medium, and method for calibrating light channels of light source device
CHANG CHIH-KUANG0 citations41
US8605270B2Dec 10, 2013
Computing device and precision testing method of optical lens using the computing device
CHANG CHIH-KUANG0 citations41