Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David William Kravitz

BLBlackberry Limited: 1 patents #109 of 338Top 35%
IBM: 1 patents #5,274 of 11,638Top 50%
Cambridge, MA: #298 of 1,823 inventorsTop 20%
Massachusetts: #2,417 of 14,123 inventorsTop 20%
Overall (2021): #168,980 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10979418 Template-based distributed certificate issuance in a multi-tenant environment Dulce B. Ponceleon, Diego A. Masini, John B. Geagan, III, Brian K. Smith 2021-04-13
10944575 Implicitly certified digital signatures Gregory Marc Zaverucha, Daniel Richard L. Brown 2021-03-09