DS

David Shafer

CG Carl Zeiss Smt Gmbh: 47 patents #16 of 1,189Top 2%
KL Kla-Tencor: 33 patents #66 of 1,394Top 5%
PE Perkinelmer: 11 patents #12 of 671Top 2%
CS Carl Zeiss Stiftung: 9 patents #20 of 654Top 4%
CG Carl Zeiss Microscopy Gmbh: 5 patents #95 of 564Top 20%
University of California: 4 patents #2,189 of 18,278Top 15%
KI Kla Instruments: 4 patents #5 of 99Top 6%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
FS Federal Signal: 2 patents #162 of 717Top 25%
US Ultratech Stepper: 2 patents #14 of 40Top 35%
LS Litton Systems: 1 patents #380 of 838Top 50%
EL Euv Llc.: 1 patents #33 of 57Top 60%
CA Carl Zeiss Ag: 1 patents #120 of 312Top 40%
SP Spectratech: 1 patents #5 of 12Top 45%
TR Tropel: 1 patents #10 of 19Top 55%
📍 Fairfield, CT: #3 of 661 inventorsTop 1%
🗺 Connecticut: #60 of 34,797 inventorsTop 1%
Overall (All Time): #8,046 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 51–75 of 133 patents

Patent #TitleCo-InventorsDate
7511890 Refractive optical imaging system, in particular projection objective for microlithography Wilhelm Ulrich, Dieter Bader, Alexander Epple 2009-03-31
7502177 Broad band DUV, VUV long-working distance catadioptric imaging system Yung-Ho Alex Chuang 2009-03-10
7474469 Arrangement of optical elements in a microlithographic projection exposure apparatus Michael Totzeck, Gerhart Fuerter, Olaf Dittmann, Karl-Heinz Schuster, Susanne Beder +1 more 2009-01-06
7474461 Broad band objective having improved lateral color performance Yung-Ho Alex Chuang, J. Joseph Armstrong 2009-01-06
7463422 Projection exposure apparatus Vladimir Kamenow, Daniel Kraehmer, Michael Totzeck, Toralf Gruner, Aurelian Dodoc +4 more 2008-12-09
7457034 High NA system for multiple mode imaging Yung-Ho Alex Chuang, Bin-Ming Benjamin Tsai, J. Joseph Armstrong 2008-11-25
7450312 Optical projection lens system Wilhelm Ulrich 2008-11-11
7428105 Objectives as a microlithography projection objective with at least one liquid lens Susanne Beder, Karl-Heinz Schuster, Wolfgang Singer 2008-09-23
7426082 Catadioptric projection objective with geometric beam splitting Alexander Epple, Aurelian Dodoc, Helmut Beierl, Wilhelm Ulrich 2008-09-16
7423805 Ultra-broadband UV microscope imaging system with wide range zoom capability Yung-Ho Alex Chuang, Bin-Ming Benjamin Tsai 2008-09-09
7385756 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2008-06-10
7385764 Objectives as a microlithography projection objective with at least one liquid lens Susanne Beder, Karl-Heinz Schuster, Wolfgang Singer 2008-06-10
7307783 Catadioptric imaging system employing immersion liquid for use in broad band microscopy J. Joseph Armstrong, Yung-Ho Alex Chuang 2007-12-11
7245438 Broad band objective having improved lateral color performance Yung-Ho Alex Chuang, J. Joseph Armstrong 2007-07-17
7218453 Projection system, in particular for a microlithographic projection exposure apparatus 2007-05-15
7218445 Microlithographic reduction projection catadioptric objective Russell Hudyma, Wilhelm Ulrich 2007-05-15
7180658 High performance catadioptric imaging system Yung-Ho Alex Chuang, J. Joseph Armstrong 2007-02-20
7154678 Projection objective having adjacently mounted aspheric lens surfaces Karl-Heinz Schuster, Wilhelm Ulrich, Helmut Beierl, Wolfgang Singer 2006-12-26
7136220 Catadioptric reduction lens Wilhelm Ulrich, Alexander Epple, Helmut Beierl, Aurelian Dodoc 2006-11-14
7136234 Broad band DUV, VUV long-working distance catadioptric imaging system Yung-Ho Alex Chuang 2006-11-14
7046459 Catadioptric reductions lens Alexander Epple 2006-05-16
7035001 High NA system for multiple mode imaging Yung-Ho Alex Chuang, Bin-Ming Benjamin Tsai, J. Joseph Armstrong 2006-04-25
6995930 Catadioptric projection objective with geometric beam splitting Alexander Epple, Aurelian Dodoc, Helmut Beierl, Wilhelm Ulrich 2006-02-07
6985286 Catadioptric optical system and exposure apparatus having the same Helmut Beierl, Gerhard Furter, Karl-Heinz Schuster, Wilhelm Ulrich 2006-01-10
6956694 Broad spectrum ultraviolet inspection systems employing catadioptric imaging Yung-Ho Alex Chuang, Bin-Ming Benjamin Tsai 2005-10-18