Inventor · disambiguated record
Donald K. Cohen
Also filed as: COHEN DONALD · COHEN DONALD K
17 granted patents·927 citations·filing 1984–2005
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US5133601ARough surface profiler and methodWYKO CORP·Filed 1991·Granted Jul 28, 1992·212 cites·12 claims
- 0296US4694447AOptical signal recorders employing two lasers and methods thereforIBM·Filed 1984·Granted Sep 15, 1987·63 cites·33 claims
- 0395US5355221ARough surface profiler and methodWYKO CORP·Filed 1993·Granted Oct 11, 1994·112 cites·10 claims
- 0495US5129724AApparatus and method for simultaneous measurement of film thickness and surface height variation for film-substrate sampleWYKO CORP·Filed 1991·Granted Jul 14, 1992·152 cites·42 claims
- 0593US7278624B2Automatic faucet with polarization sensorMASCO CORP·Filed 2005·Granted Oct 9, 2007·49 cites·12 claims
- 0687US5204734ARough surface profiler and methodWYKO CORP·Filed 1992·Granted Apr 20, 1993·53 cites·11 claims
- 0784US5122648AApparatus and method for automatically focusing an interference microscopeWYKO CORP·Filed 1990·Granted Jun 16, 1992·83 cites·10 claims
- 0866US4672188AFocus detector for optical apparatusIBM·Filed 1985·Granted Jun 9, 1987·14 cites·4 claims
- 0965US5284478ADetachable tip optical valvulotomeNOBLES ANTHONY A·Filed 1992·Granted Feb 8, 1994·103 cites·12 claims
- 1064US4931630AApparatus and method for automatically focusing an interference microscopeWYKO CORP·Filed 1989·Granted Jun 5, 1990·26 cites·23 claims
- 1160US4604739AOptical focus detection employing rotated interference patternsIBM·Filed 1984·Granted Aug 5, 1986·10 cites·10 claims
- 1259US6816250B1Method and apparatus for measuring irregularities on an outer surface of a rotatable cylindrical shaftDANA CORP·Filed 2001·Granted Nov 9, 2004·4 cites·10 claims
- 1356US6186737B1Storage holder for elastic bandsFiled 1999·Granted Feb 13, 2001·11 cites·3 claims
- 1454US6415044B1Non-destructive inspection method for an impact treated surfaceADVANCED MATERIAL PROC·Filed 1998·Granted Jul 2, 2002·25 cites·25 claims
- 1546US4609813AOptical systems employing ovate light beamsIBM·Filed 1985·Granted Sep 2, 1986·6 cites·17 claims
- 1635US4588263AAn adjustable-optical prism with integral-polarizing beam splitter and applications thereofIBM·Filed 1984·Granted May 13, 1986·4 cites·11 claims
- 1730US7013716B1Method and apparatus for measuring, analyzing, and characterizing irregularities on a surface of an articleDANA CORP·Filed 2002·Granted Mar 21, 2006·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →