Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dario Stefanini — 1 Patent

FSFerrania, S.P.A.: 1 patents #20 of 45Top 45%
Savona, IT: #90 of 182 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Dario Stefanini has been granted 1 US patent while listed as an inventor at Ferrania, S.P.A.. All of these patents were granted in 2004. Dario Stefanini ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Dario Stefanini in Savona, IT.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6815154 Silver bromoiodide core-shell grain emulsion Davide Pirotto, Massimiliano Scioscia, Luisa Tavella 2004-11-09