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USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Sullivan — 3 Patents

SMSmule: 3 patents #34 of 46Top 75%
San Francisco, CA: #11,643 of 26,999 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stefan Sullivan has been granted 3 US patents while listed as an inventor at Smule. The first was granted in 2019 and the most recent in February 2024. Stefan Sullivan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stefan Sullivan in San Francisco, CA, US.

Patents per Year

Patents granted per year, 2019 to 2024Bar chart with a peak of 1 patents in 2019.peak 12019: 1 patents20192022: 1 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11900904 Crowd-sourced technique for pitch track generation John Shimmin, Dean Schaffer, Perry R. Cook 2024-02-13
11250826 Crowd-sourced technique for pitch track generation John Shimmin, Dean Schaffer, Perry R. Cook 2022-02-15
10460711 Crowd sourced technique for pitch track generation John Shimmin, Dean Schaffer, Perry R. Cook 2019-10-29

Frequent Collaborators

John Shimmin3 shared
Perry R. Cook3 shared
Dean Schaffer3 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3