Inventor · disambiguated record
Ralph H. Young
Also filed as: YOUNG RALPH H
34 granted patents·2 pending applications·710 citations·filing 1978–2009
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US5468583ACyclic bis-dicarboximide electron transport compounds for electrophotographyEASTMAN KODAK CO·Filed 1994·Granted Nov 21, 1995·100 cites·20 claims
- 0296US4442193APhotoconductive compositions and elements containing naphthalene bis-dicarboximide compoundsEASTMAN KODAK CO·Filed 1983·Granted Apr 10, 1984·56 cites·11 claims
- 0394US6168911B1Formulations for preparing metal oxide-based pigment-binder transparent electrically conductive layersEASTMAN KODAK CO·Filed 1998·Granted Jan 2, 2001·23 cites·28 claims
- 0492US6875524B2White light-emitting device with improved dopingEASTMAN KODAK CO·Filed 2003·Granted Apr 5, 2005·104 cites·46 claims
- 0588US7629741B2OLED electron-injecting layerEASTMAN KODAK CO·Filed 2005·Granted Dec 8, 2009·31 cites·13 claims
- 0688US4125414AOrganic photovoltaic elementsEASTMAN KODAK CO·Filed 1978·Granted Nov 14, 1978·38 cites·11 claims
- 0785US6565996B2Organic light-emitting device having a color-neutral dopant in a hole-transport layer and/or in an electron-transport layerEASTMAN KODAK CO·Filed 2001·Granted May 20, 2003·57 cites·31 claims
- 0883US6727644B2Organic light-emitting device having a color-neutral dopant in an emission layer and in a hole and/or electron transport sublayerEASTMAN KODAK CO·Filed 2001·Granted Apr 27, 2004·27 cites·28 claims
- 0982US6720090B2Organic light emitting diode devices with improved luminance efficiencyEASTMAN KODAK CO·Filed 2001·Granted Apr 13, 2004·26 cites·19 claims
- 1081US7374828B2Organic electroluminescent devices with additiveEASTMAN KODAK CO·Filed 2003·Granted May 20, 2008·30 cites·28 claims
- 1181US5266429APolyester-imides in electrophotographic elementsEASTMAN KODAK CO·Filed 1992·Granted Nov 30, 1993·27 cites·19 claims
- 1278US7079091B2Compensating for aging in OLED devicesEASTMAN KODAK CO·Filed 2003·Granted Jul 18, 2006·17 cites·8 claims
- 1376US6692846B2Organic electroluminescent device having a stabilizing dopant in a hole-transport layer or in an electron-transport layer distant from the emission layerEASTMAN KODAK CO·Filed 2002·Granted Feb 17, 2004·22 cites·36 claims
- 1476US5324604AMulti-active electrophotographic element and imaging process using free radicals as charge transport materialEASTMAN KODAK CO·Filed 1991·Granted Jun 28, 1994·21 cites·21 claims
- 1572US8242489B2OLED with high efficiency blue light-emitting layerKONDAKOVA MARINA E·Filed 2009·Granted Aug 14, 2012·3 cites·17 claims
- 1672US7517595B2Electroluminescent devices with mixed electron transport materialsEASTMAN KODAK CO·Filed 2005·Granted Apr 14, 2009·4 cites·9 claims
- 1767US5232800AMethod for improving charge mobility in electrophotographic photoreceptorsEASTMAN KODAK CO·Filed 1992·Granted Aug 3, 1993·15 cites·4 claims
- 1862US7288330B2High performance white light-emitting OLED deviceEASTMAN KODAK CO·Filed 2004·Granted Oct 30, 2007·8 cites·12 claims
- 1959US5300385AAromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing themEASTMAN KODAK CO·Filed 1992·Granted Apr 5, 1994·5 cites·9 claims
- 2059US4999809APhotorefractive device and process for its useEASTMAN KODAK CO·Filed 1990·Granted Mar 12, 1991·19 cites·24 claims
- 2159US4927726APhotoreceptor with polynuclear bisoxazole or bisthizoleEASTMAN KODAK CO·Filed 1988·Granted May 22, 1990·10 cites·3 claims
- 2255US5288573APhotoconductive elements which are sensitive to near-infrared radiationEASTMAN KODAK CO·Filed 1991·Granted Feb 22, 1994·10 cites·26 claims
- 2354US7084425B2Organic electroluminescent devicesEASTMAN KODAK CO·Filed 2003·Granted Aug 1, 2006·3 cites·48 claims
- 2453US4913996AElectrophotographic elements containing certain anthraquinone derivatives as electron-transport agentsEASTMAN KODAK CO·Filed 1988·Granted Apr 3, 1990·8 cites·3 claims
- 2552US4877699AElectrophotographic luminescent amplification processEASTMAN KODAK CO·Filed 1988·Granted Oct 31, 1989·8 cites·19 claims
- 2651US4909966ANaphthoquinone derivativesEASTMAN KODAK CO·Filed 1988·Granted Mar 20, 1990·3 cites·2 claims
- 2750US4869984AElectrophotographic elements containing certain naphthoquinone derivatives as electron-transport agentsEASTMAN KODAK CO·Filed 1988·Granted Sep 26, 1989·7 cites·3 claims
- 2844US5184323APhotorefractive device and process for its useEASTMAN KODAK CO·Filed 1990·Granted Feb 2, 1993·11 cites·29 claims
- 2944US2007252516A1Electroluminescent devices including organic EIL layerEASTMAN KODAK CO·Filed 2006·Application pending·0 cites
- 3043US5618950AElectrophotographic elements and soluble cyclic sulfone electron transport agentsEASTMAN KODAK CO·Filed 1995·Granted Apr 8, 1997·2 cites·14 claims
- 3143US5272032AMultiactive electrophotographic elements containing electron transport agentsEASTMAN KODAK CO·Filed 1993·Granted Dec 21, 1993·6 cites·10 claims
- 3243US2006204784A1Organic light-emitting devices with mixed electron transport materialsBEGLEY WILLIAM J·Filed 2005·Application pending·0 cites
- 3341US4921637ANaphthoquinone derivativesEASTMAN KODAK CO·Filed 1988·Granted May 1, 1990·1 cites·2 claims
- 3441US4869985AElectrophotographic elements containing certain naphthoquinone derivatives as electron-transport agentsEASTMAN KODAK CO·Filed 1988·Granted Sep 26, 1989·4 cites·3 claims
- 3539US5500317AElectrophotographic elements containing soluble cyclic sulfone electron transport agentsEASTMAN KODAK CO·Filed 1994·Granted Mar 19, 1996·4 cites·20 claims
- 3629US5352802AAromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing themEASTMAN KODAK CO·Filed 1993·Granted Oct 4, 1994·0 cites·14 claims
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