Inventor
Rong Yu-Jie
CN3 patents
Patents
3 patentsUS9491991B1Nov 15, 2016
Watch fastener and watch band using the watch fastener
HONGFUJIN PREC ELECTRONICS (ZHENGZHOU) CO LTD13 citations75
US9859072B2Jan 2, 2018
Waterproof button and electronic device using same
HONGFUJIN PREC ELECTRONICS (ZHENGZHOU) CO LTD4 citations61
USD776117SJan 10, 2017
Stylus
HONGFUJIN PREC ELECTRONICS (ZHENGZHOU) CO LTD4 citations61