YT

YING-HWA TANG

WI Waltop International: 3 patents #1 of 6Top 20%
Overall (2017): #53,683 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9766687 Capacitive stylus with power saving apparatus A-Li Wong 2017-09-19
9733733 Magnetic attractive capacitive stylus A-Li Wong 2017-08-15
9639182 Capacitive stylus with eraser A-Li Wong 2017-05-02