Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
QS

Qifeng Shen

Hitachi: 1 patents #17,742 of 28,497Top 65%
Sunnyvale, CA: #10,174 of 14,302 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,866,577 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10341703 Integrated audience interaction measurements for videos 2019-07-02