Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Ripton — 1 Patent in 2019

Amazon: 1 patents #1,563 of 4,177Top 40%
Ashburn, VA: #49 of 160 inventorsTop 35%
Virginia: #1,291 of 4,185 inventorsTop 35%
Overall (2019): #492,475 of 560,194Top 90%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $94,190,000