Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stefan Popoveniuc — 2 Patents in 2021

Amazon: 2 patents #625 of 4,535Top 15%
Alexandria, VA: #21 of 192 inventorsTop 15%
Virginia: #573 of 4,020 inventorsTop 15%
Overall (2021): #109,634 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11206143 Digital certificates with distributed usage information David Ripton, Alexandr Ukrainchik, Yuk-Chung Eric Kam, Mikhail Denisenko, Robert Eric Fitzgerald +2 more 2021-12-21
11115223 Cryptographic material distribution and management Todd Lawrence Cignetti, Andrew J. Doane, Matthew Allen Estes, Alexander Edward Schoof, Robert Eric Fitzgerald +1 more 2021-09-07