Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Shoufa Han — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
San Diego, CA: #15,804 of 23,606 inventorsTop 70%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Shoufa Han has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2013. Shoufa Han ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Shoufa Han in San Diego, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8357671 High affinity Siglec ligands James C. Paulson, Brian Edward Collins 2013-01-22