Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Sousa — 1 Patent

FOFocal: 1 patents #42 of 44Top 100%
Littleton, MA: #239 of 347 inventorsTop 70%
Massachusetts: #57,159 of 88,656 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John Sousa has been granted 1 US patent while listed as an inventor at Focal. All of these patents were granted in 2005. John Sousa ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Sousa in Littleton, MA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6860870 Self-cleaning fluid delivery device for medical applications Dean M. Pichon, David J. Nedder, J. Jeffrey Kablik, Albert Linder 2005-03-01