QL

Qingjun Li

📍 Fujian, CN: #92 of 259 inventorsTop 40%
Overall (2020): #310,940 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10809605 Optical projection screen and management system thereof Zhanhan Chen 2020-10-20