Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EJ

E. Calvin Johnson — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Tampa, FL: #1,066 of 2,931 inventorsTop 40%
Florida: #22,549 of 67,251 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
E. Calvin Johnson has been granted 2 US patents while listed as an inventor at Unknown. All of these patents were granted in 1999. E. Calvin Johnson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list E. Calvin Johnson in Tampa, FL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5943006 RF image reconstruction and super resolution using fourier transform techniques Patrick E. Crane 1999-08-24
5912765 Super-resolution by focal plane immersion Patrick E. Crane, Robert A. Wright 1999-06-15