Inventor · disambiguated record
James J. Cowan
Also filed as: COWAN JAMES · COWAN JAMES J
16 granted patents·777 citations·filing 1981–2015
95Inventor score
Top patents by PatentIndex Score
16 records- 0196US4999234AHolographic optical data storage mediumPOLAROID CORP·Filed 1988·Granted Mar 12, 1991·149 cites·7 claims
- 0296US4496216AMethod and apparatus for exposing photosensitive materialPOLAROID CORP·Filed 1982·Granted Jan 29, 1985·113 cites·16 claims
- 0396US4402571AMethod for producing a surface relief patternPOLAROID CORP·Filed 1981·Granted Sep 6, 1983·118 cites·17 claims
- 0494US4888260AVolume phase reflection holograms and methods for fabricating themPOLAROID CORP·Filed 1987·Granted Dec 19, 1989·112 cites·10 claims
- 0590US6870624B2Optical wavelength resonant device for chemical sensingCOHO HOLDINGS LLC·Filed 2001·Granted Mar 22, 2005·52 cites·25 claims
- 0690US6707518B1Electro-optic device allowing wavelength tuningCOHO HOLDINGS LLC·Filed 2000·Granted Mar 16, 2004·48 cites·43 claims
- 0786US7262856B2Microstructured optical device for remote chemical sensingHOBBS DOUGLAS S·Filed 2005·Granted Aug 28, 2007·13 cites·34 claims
- 0886US4839250AMethod of replicating volume phase reflection hologramsPOLAROID CORP·Filed 1988·Granted Jun 13, 1989·54 cites·4 claims
- 0984US4874213AMethod of forming volume phase reflection hologramsPOLAROID CORP·Filed 1988·Granted Oct 17, 1989·49 cites·12 claims
- 1081US9864339B2Surface relief volume reflective diffractive structureAZTEC SYSTEMS INC·Filed 2015·Granted Jan 9, 2018·2 cites·15 claims
- 1176US4469407ALaser apodizing filterPOLAROID CORP·Filed 1982·Granted Sep 4, 1984·36 cites·16 claims
- 1275US6791757B2Optical device for filtering and sensingCOHO HOLDINGS LLC·Filed 2002·Granted Sep 14, 2004·16 cites·30 claims
- 1374US8254029B2Surface relief volume reflective diffractive structureCOWAN JAMES J·Filed 2008·Granted Aug 28, 2012·3 cites·19 claims
- 1469US9158046B2Surface relief volume reflective diffractive structureCOWAN JAMES J·Filed 2012·Granted Oct 13, 2015·1 cites·12 claims
- 1568US7304775B2Actively stabilized, single input beam, interference lithography system and methodAZTEC SYSTEMS INC·Filed 2001·Granted Dec 4, 2007·10 cites·18 claims
- 1656US7460303B2Directional diffuserAZTEC SYSTEMS INC·Filed 2007·Granted Dec 2, 2008·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →