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

Stefan Buttner — 1 Patent

IBM: 1 patents #44,878 of 70,183Top 65%
Sindelfingen, DE: #293 of 546 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stefan Buttner has been granted 1 US patent while listed as an inventor at IBM. All of these patents were granted in 1998. Stefan Buttner ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stefan Buttner in Sindelfingen, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5798975 Restore function for memory cells using negative bitline-selection Jurgen Pille, Dieter Wendel, Friedrich-Christian Wernicke 1998-08-25 $17,258,000