Inventor · disambiguated record
Jeffrey A. Gohman
Also filed as: GOHMAN JEFFREY A · GOHMAN JEFFREY ALAN
41 granted patents·3 pending applications·1,092 citations·filing 1992–2018
98Inventor score
Top patents by PatentIndex Score
44 records- 0198US6896375B2Rear projection display device having multiple mirrors that are substantially parallel to a screenINFOCUS CORP·Filed 2002·Granted May 24, 2005·81 cites·37 claims
- 0297US6804055B2Fresnel lens for use with rear projection displayINFOCUS CORP·Filed 2003·Granted Oct 12, 2004·59 cites·25 claims
- 0396US9429826B2Projection television device and screenSEIKO EPSON CORP·Filed 2015·Granted Aug 30, 2016·9 cites·26 claims
- 0495US7567380B2Rear projection display device having multiple mirrors that are substantially parallel to a screenINFOCUS CORP·Filed 2005·Granted Jul 28, 2009·20 cites·13 claims
- 0595US7413312B2Projection device and screenINFOCUS CORP·Filed 2006·Granted Aug 19, 2008·29 cites·12 claims
- 0695US6661475B1Color video projection system employing reflective liquid crystal display deviceINFOCUS CORP·Filed 2000·Granted Dec 9, 2003·70 cites·21 claims
- 0793US7009765B2Wide angle lens system having a distorted intermediate imageINFOCUS CORP·Filed 2002·Granted Mar 7, 2006·50 cites·60 claims
- 0893US6471356B1Portable image projection system having reduced weight and profileINFOCUS CORP·Filed 2000·Granted Oct 29, 2002·66 cites·17 claims
- 0993US6053615AImage projector with polarization conversion systemIN FOCUS SYSTEMS INC·Filed 1997·Granted Apr 25, 2000·119 cites·13 claims
- 1091US6137638AProjection zoom lens system and projector apparatusNITTOH KOGAKU KK·Filed 1999·Granted Oct 24, 2000·111 cites·4 claims
- 1190US7175287B2Wide angle projection lensINFOCUS CORP·Filed 2004·Granted Feb 13, 2007·29 cites·20 claims
- 1287US7090354B2Projection device and screenINFOCUS CORP·Filed 2004·Granted Aug 15, 2006·35 cites·32 claims
- 1387US6956701B1Method and apparatus for combining light paths of multiple colored light sources through a common integration tunnelINFOCUS CORP·Filed 2004·Granted Oct 18, 2005·27 cites·33 claims
- 1486US6652105B1Reflective light valve-based multimedia projector employing a patterned-silvered mirrorINFOCUS CORP·Filed 2001·Granted Nov 25, 2003·32 cites·26 claims
- 1586US5978051AImage projection system with variable display formatIN FOCUS SYSTEMS INC·Filed 1996·Granted Nov 2, 1999·98 cites·14 claims
- 1685US7031063B2Method and apparatus for combining light paths of colored light sources through a common integration tunnelINFOCUS CORP·Filed 2005·Granted Apr 18, 2006·12 cites·18 claims
- 1784US9910251B2Lens system and imaging apparatus having a lens at each side of an intermediate image which move in synchronization during focusingOE KAZUHIRO·Filed 2014·Granted Mar 6, 2018·7 cites·14 claims
- 1884US9217912B2Projection television device and screenPETERSON MARK D·Filed 2006·Granted Dec 22, 2015·9 cites·26 claims
- 1982US7545586B2Wide angle lens system having a distorted intermediate imageINFOCUS CORP·Filed 2005·Granted Jun 9, 2009·8 cites·20 claims
- 2080US9733459B2Projected television device and screenSEIKO EPSON CORP·Filed 2014·Granted Aug 15, 2017·2 cites·50 claims
- 2180US7520622B2Display dock with integrated display screenINFOCUS CORP·Filed 2005·Granted Apr 21, 2009·6 cites·26 claims
- 2280US7102820B2Flat valley fresnel lens for a display deviceINFOCUS CORP·Filed 2004·Granted Sep 5, 2006·12 cites·22 claims
- 2379US6147812AProjection zoom lens system and projector apparatusNITTOH KOGAKU KK·Filed 1999·Granted Nov 14, 2000·67 cites·6 claims
- 2478US5710668AMulti-color head-up display systemFLIGHT DYNAMICS·Filed 1995·Granted Jan 20, 1998·55 cites·9 claims
- 2576US7253954B2Flat valley fresnel lensINFOCUS CORP·Filed 2006·Granted Aug 7, 2007·6 cites·20 claims
- 2676US7072003B2Color video projection system employing reflective liquid crystal display devicesSTAHL KURT·Filed 2003·Granted Jul 4, 2006·11 cites·18 claims
- 2775US7777949B2Laminate screen for a display deviceSEIKO EPSON CORP·Filed 2006·Granted Aug 17, 2010·4 cites·22 claims
- 2874US7375772B2Color video projection system employing reflective liquid crystal display devicesSTRAIGHT SIGNALS LLC·Filed 2006·Granted May 20, 2008·3 cites·33 claims
- 2974US7341353B2Variable fresnel screen for use in projection deviceINFOCUS CORP·Filed 2004·Granted Mar 11, 2008·10 cites·42 claims
- 3072US7140735B2Rear projection display device having multiple mirrors that are substantially parallel to a screenINFOCUS CORP·Filed 2004·Granted Nov 28, 2006·6 cites·18 claims
- 3171US7259912B2Fresnel lens having reduced distortionsINFOCUS CORP·Filed 2004·Granted Aug 21, 2007·8 cites·21 claims
- 3270US7347559B2Color video projection system employing reflective liquid crystal display devicesSTRAIGHT SIGNALS LLC·Filed 2006·Granted Mar 25, 2008·2 cites·20 claims
- 3369US7768715B2Whole system zoom and varifocal lens with intermediate imageTHEIA TECHNOLOGIES LLC·Filed 2008·Granted Aug 3, 2010·6 cites·19 claims
- 3465US10955648B2Projection television device and screenSEIKO EPSON CORP·Filed 2018·Granted Mar 23, 2021·0 cites·24 claims
- 3564US8081377B2Wide angle lens system having a distorted intermediate imageGOHMAN JEFFREY ALAN·Filed 2009·Granted Dec 20, 2011·3 cites·17 claims
- 3664US7384154B2Temperature control system and method for projection device lensesINFOCUS CORP·Filed 2005·Granted Jun 10, 2008·4 cites·34 claims
- 3760US2016342075A1Projected television device and screenSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 3858US2016341943A1Projected television device and screenSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 3953US10663702B2Zoom lens system and imaging apparatusNITTOH INC·Filed 2016·Granted May 26, 2020·0 cites·14 claims
- 4053US10422981B2Lens system and imaging apparatus having adjacent stop and fixed lens system at an output sideNITTOH INC·Filed 2018·Granted Sep 24, 2019·0 cites·13 claims
- 4151US9529181B2Zoom lens system and imaging apparatusOE KAZUHIRO·Filed 2013·Granted Dec 27, 2016·0 cites·9 claims
- 4251US5327451ALaser diode assembly for laser scanner systemSPECTRA PHYSICS SCANNING SYST·Filed 1992·Granted Jul 5, 1994·16 cites·36 claims
- 4345US7310185B2Double pass illumination systemINFOCUS CORP·Filed 2006·Granted Dec 18, 2007·0 cites·26 claims
- 4442US2006274284A1Illumination arrangements for colored light sourcesINFOCUS CORP·Filed 2006·Application pending·0 cites
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