Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SM

Stefano Mana — 5 Patents

3M: 4 patents #3,453 of 11,543Top 30%
IMImation: 1 patents #303 of 622Top 50%
Bra, IT: #10 of 108 inventorsTop 10%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Stefano Mana has been granted 5 US patents while listed as an inventor at 3M. The first was granted in 1994 and the most recent in March 1998. Stefano Mana ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stefano Mana in Bra, IT.

Patents per Year

Patents granted per year, 1994 to 1998Bar chart with a peak of 3 patents in 1994.peak 31994: 3 patents19941997: 1 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5731141 Light-sensitive photographic materials comprising tabular silver halide grains and azodicarbonamide derivatives Isabella Cogliolo, Ivano Delprato, Luca Ceruti, Stefano Parodi 1998-03-24 $7,682,000
5681693 Post processing stabilization of photothermographic emulsions Massimo Bertoldi, Cristina Soncini 1997-10-28 $11,967,000
5322768 Silver halide photographic elements with infrared absorbing dyes Ivano Delprato, Antonio Luzzi 1994-06-21 $8,287,000
5290670 Silver halide photographic elements Ivano Delprato, Antonio Luzzi 1994-03-01 $9,978,000
5281515 Thermally developable photographic elements Ivano Delprato, Cristina Soncini 1994-01-25 $17,562,000