Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David Ripton — 2 Patents

Amazon: 2 patents #7,121 of 19,158Top 40%
Ashburn, VA: #345 of 799 inventorsTop 45%
Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #1,894,637 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11206143 Digital certificates with distributed usage information Stefan Popoveniuc, Alexandr Ukrainchik, Yuk-Chung Eric Kam, Mikhail Denisenko, Robert Eric Fitzgerald +2 more 2021-12-21
10454690 Digital certificates with distributed usage information Stefan Popoveniuc, Alexandr Ukrainchik, Yuk-Chung Eric Kam, Mikhail Denisenko, Robert Eric Fitzgerald +2 more 2019-10-22