DC

Donald K. Cohen

WY Wyko: 6 patents #4 of 40Top 10%
IBM: 5 patents #18,733 of 70,183Top 30%
DL Dana Limited: 2 patents #266 of 1,099Top 25%
MA Masco: 1 patents #59 of 159Top 40%
📍 Tucson, AZ: #400 of 6,004 inventorsTop 7%
🗺 Arizona: #2,025 of 32,909 inventorsTop 7%
Overall (All Time): #279,376 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7278624 Automatic faucet with polarization sensor Jeffrey Iott, James R. Disser 2007-10-09
7013716 Method and apparatus for measuring, analyzing, and characterizing irregularities on a surface of an article Mark Shuster, Dana M. Combs, Ralph Larson, Robert R. Binoniemi 2006-03-21
6816250 Method and apparatus for measuring irregularities on an outer surface of a rotatable cylindrical shaft Mark Shuster, Dana M. Combs 2004-11-09
6415044 Non-destructive inspection method for an impact treated surface Roger S. Simpson 2002-07-02
6186737 Storage holder for elastic bands 2001-02-13
5355221 Rough surface profiler and method Paul J. Caber, Chris P. Brophy 1994-10-11
5284478 Detachable tip optical valvulotome Anthony A. Nobles 1994-02-08
5204734 Rough surface profiler and method Paul J. Caber, Chris P. Brophy 1993-04-20
5133601 Rough surface profiler and method Paul J. Caber, Chris P. Brophy 1992-07-28
5129724 Apparatus and method for simultaneous measurement of film thickness and surface height variation for film-substrate sample Chris P. Brophy, James D. Ayres 1992-07-14
5122648 Apparatus and method for automatically focusing an interference microscope James D. Ayres, Eugene R. Cochran 1992-06-16
4931630 Apparatus and method for automatically focusing an interference microscope James D. Ayres, Eugene R. Cochran 1990-06-05
4694447 Optical signal recorders employing two lasers and methods therefor Raymond Yardy 1987-09-15
4672188 Focus detector for optical apparatus 1987-06-09
4609813 Optical systems employing ovate light beams 1986-09-02
4604739 Optical focus detection employing rotated interference patterns 1986-08-05
4588263 An adjustable-optical prism with integral-polarizing beam splitter and applications thereof Raymond Yardy 1986-05-13