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

Jonathan Cromwell — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Encinitas, CA: #726 of 1,440 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Jonathan Cromwell has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2000 and the most recent in November 2002. Jonathan Cromwell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jonathan Cromwell in Encinitas, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6484283 Method and apparatus for encoding and decoding a turbo code in an integrated modem system Karen Stephen, Hon W. Lam 2002-11-19 $21,860,000
6014682 Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate Karen Stephen, Alok Gupta 2000-01-11 $34,320,000