Inventor

JAN YU HENG

TW2 patents

Patents

2 patents

US8847161B2Sep 30, 2014

Apparatus and methods for controlling a laser output and improving laser safety using a proximity sensor

CHANG YUNG CHENG1 citations43

US8860799B2Oct 14, 2014

Alignment system and method for operating the same

CHANG YUNG CHENG0 citations32