ND

Ning Du

BC Beijing Gridsum Technology Co.: 1 patents #1 of 10Top 10%
Overall (2018): #290,678 of 503,207Top 60%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10104428 Video playing detection method and apparatus Fei Lin, Jie CHEN 2018-10-16