Inventor
TSENG CHIH-CHENG
TW5 patents
Patents
5 patentsUS9638406B1May 2, 2017
Energy-saving device of surgical light
AMTAI MEDICAL EQUIPMENT INC16 citations80
US10295164B2May 21, 2019
Illumination control device of surgical light
AMTAI MEDICAL EQUIPMENT INC5 citations69
US9920922B2Mar 20, 2018
Automatic light intensity compensating device of surgical light
AMTAI MEDICAL EQUIPMENT INC5 citations69
US9763299B1Sep 12, 2017
Surgical light with luminous intensity fine adjustment function
AMTAI MEDICAL EQUIPMENT INC2 citations69
US10190735B1Jan 29, 2019
LED driver circuit and method
AMTAI MEDICAL EQUIPMENT INC0 citations47