Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Neff — 9 Patents

IBM: 8 patents #13,181 of 70,183Top 20%
Hagenbach, DE: #3 of 19 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Stefan Neff has been granted 9 US patents while listed as an inventor at IBM. The first was granted in 2011 and the most recent in December 2021. Stefan Neff ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Stefan Neff in Hagenbach, DE.

Patents per Year

Patents granted per year, 2011 to 2021Bar chart with a peak of 4 patents in 2015.peak 42011: 1 patents20112013: 1 patents20132015: 4 patents20152017: 2 patents20172021: 1 patents2021

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11194476 Determining an optimal maintenance time for a data storage system utilizing historical data Frank Krick, Erik Rueger 2021-12-07 $3,115,000
9581070 Uncoupling element Andreas Schill, Marc Pontzen 2017-02-28
9557928 Autonomic reclamation processing on sequential storage media Nils Haustein 2017-01-31 $3,813,000
9104629 Autonomic reclamation processing on sequential storage media Nils Haustein 2015-08-11 $2,160,000
9009443 System and method for optimized reclamation processing in a virtual tape library system Nils Haustein 2015-04-14 $3,567,000
8935469 Autonomic reclamation processing for tapes Nils Haustein, Thorsten Krause 2015-01-13 $4,389,000
8930617 Autonomic reclamation processing for tapes Nils Haustein, Thorsten Krause 2015-01-06 $2,134,000
8478933 Systems and methods for performing deduplicated data processing on tape Nils Haustein, Ulf Troppens 2013-07-02 $6,261,000
8009539 Monitoring and analyzing the storage quality and the drive hardware performance of a media library Nils Haustein, Ulf Troppens 2011-08-30 $4,619,000