Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel A. Tichenor — 8 Patents

ELEuv Llc.: 7 patents #4 of 57Top 8%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Merced, CA: #25 of 257 inventorsTop 10%
California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #660,249 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7239443 Condenser optic with sacrificial reflective surface Glenn D. Kubiak, Sung-Hun Lee 2007-07-03
7081992 Condenser optic with sacrificial reflective surface Glenn D. Kubiak, Sang Hun Lee 2006-07-25
6815129 Compensation of flare-induced CD changes EUVL John E. Bjorkholm, Daniel G. Stearns, Eric M. Gullikson, Scott D. Hector 2004-11-09
6642995 Mask-to-wafer alignment system William C. Sweatt, Steven J. Haney 2003-11-04
6469827 Diffraction spectral filter for use in extreme-UV lithography condenser William C. Sweatt, Luis J. Bernardez 2002-10-22
6229871 Projection lithography with distortion compensation using reticle chuck contouring 2001-05-08
6031598 Extreme ultraviolet lithography machine Glenn D. Kubiak, Steven J. Haney, Donald W. Sweeney 2000-02-29
4441816 Optical double-slit particle measuring system Kenneth R. Hencken, James Wang 1984-04-10