Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephan Spangenberg — 1 Patent

STStemonix: 1 patents #2 of 6Top 35%
Eden Prairie, MN: #970 of 1,491 inventorsTop 70%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stephan Spangenberg has been granted 1 US patent while listed as an inventor at Stemonix. All of these patents were granted in 2023. Stephan Spangenberg ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephan Spangenberg in Eden Prairie, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11613732 Cell medium formulation for cell stabilization Fabian Zanella, Wonjong Si, Ping Yeh, Robert J. Petcavich 2023-03-28