QD

Qifeng Dai

Overall (2017): #276,309 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9603219 Driving power supply apparatus for OLED Tieniu Chao, Shengping Cai, Hui Xu, Zongwang Wei 2017-03-21