Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David Butka — 4 Patents

IBM: 4 patents #21,733 of 70,183Top 35%
Tucson, AZ: #1,506 of 6,004 inventorsTop 30%
Arizona: #8,163 of 32,909 inventorsTop 25%
Overall (All Time): #1,258,723 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7047106 Storage cell mounting and alignment for cartridge system libraries Steven L. Felde, Raymond Yardy 2006-05-16
6735704 Autonomic control of power subsystems in a redundant power system Brian G. Goodman, Leonard George Jesionowski, Michael P. McIntosh, Robin Daniel Roberts, Raymond Yardy 2004-05-11
6433329 Optical position sensor with threshold updated dynamically by interpolation between minimum and maximum levels of output signal Brian G. Goodman, Michael P. McIntosh, Raymond Yardy 2002-08-13
6381517 Method and apparatus to analyze accessor performance Raymond Yardy 2002-04-30