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 26–50 of 133 patents

Patent #TitleCo-InventorsDate
8339701 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2012-12-25
8317345 Catoptric objectives and systems using catoptric objectives Hans-Juergen Mann, Wilhelm Ulrich 2012-11-27
8289619 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2012-10-16
8208198 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple +2 more 2012-06-26
8208199 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple +2 more 2012-06-26
8199400 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple +2 more 2012-06-12
8004755 Catoptric objectives and systems using catoptric objectives Hans-Juergen Mann, Wilhelm Ulrich 2011-08-23
7869122 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2011-01-11
7869121 Small ultra-high NA catadioptric objective using aspheric surfaces J. Joseph Armstrong, Yung-Ho Alex Chuang 2011-01-11
7859748 Microlithographic reduction projection catadioptric objective Russell Hudyma, Wilhelm Ulrich 2010-12-28
7773296 Ultra-broadband UV microscope imaging system with wide range zoom capability Yung-Ho Alex Chuang, Bin-Ming Benjamin Tsai 2010-08-10
RE41350 Catadioptric objective comprising two intermediate images Alois Herkommer, Karl-Heinz Schuster, Gerd Füerter, Rudolph Von Büenau, Wilhelm Ulrich 2010-05-25
7712905 Imaging system with mirror group Aurelian Dodoc, Alexander Epple, Hans-Juergen Mann 2010-05-11
7697211 Symmetrical objective having four lens groups for microlithography Aurelian Dodoc, Johannes Zellner, Heiko Feldmann, Wilhelm Ulrich, Holger Walter +3 more 2010-04-13
7697198 Catadioptric projection objective Alexander Epple, Aurelian Dodoc, Wilhelm Ulrich, Karl-Heinz Schuster 2010-04-13
7682031 Catoptric objectives and systems using catoptric objectives Hans-Jurgen Mann, Wilhelm Ulrich 2010-03-23
7679842 High performance catadioptric imaging system Yung-Ho Alex Chuang, J. Joseph Armstrong 2010-03-16
7679821 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2010-03-16
7672043 Catadioptric imaging system exhibiting enhanced deep ultraviolet spectral bandwidth J. Joseph Armstrong, Yung-Ho Alex Chuang 2010-03-02
7672047 Catadioptric projection objective Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple 2010-03-02
7646533 Small ultra-high NA catadioptric objective Yung-Ho Alex Chuang, J. Joseph Armstrong 2010-01-12
7639419 Inspection system using small catadioptric objective Yung-Ho Alex Chuang, J. Joseph Armstrong 2009-12-29
7633675 Catadioptric imaging system employing immersion liquid for use in broad band microscopy J. Joseph Armstrong, Yung-Ho Alex Chuang 2009-12-15
7573655 Unit magnification projection objective 2009-08-11
7518789 Broad band deep ultraviolet/vacuum ultraviolet catadioptric imaging system Yung-Ho Alex Chuang, J. Joseph Armstrong 2009-04-14