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USPTO Patent Rankings Data through Sept 30, 2025
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Stephan Doswald — 2 Patents

Hoffmann-La Roche: 2 patents #1,313 of 3,238Top 45%
Overall (All Time): #2,155,909 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7196234 Asymmetric reduction of 1,1,1-trifluoroacetone Steven Paul Hanlon, Ernst Kupfer 2007-03-27
6156911 Purification of lipstatin Ernst Kupfer, Gerhard Steinbauer, Erich Steinwender 2000-12-05