Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hefeng Chen — 1 Patent in 2021

Amazon: 1 patents #1,401 of 4,535Top 35%
Seattle, WA: #1,533 of 4,505 inventorsTop 35%
Washington: #4,694 of 13,672 inventorsTop 35%
Overall (2021): #437,561 of 548,734Top 80%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10949982 Moving object recognition, speed estimation, and tagging Qia Wang, Siva Somasundaram, Vijay Gopal Joshi 2021-03-16