P

Inventor

CHANG DE-AN

TW7 patents
⚠️ This page may combine multiple inventors who share the name “CHANG DE-AN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IND TECH RES INST

5 patents

OPTOWARE ELECTRONICS CO LTD

1 patent

CANDLE LAB CO LTD

1 patent