Inventor · disambiguated record
Stephen P. Singer
Also filed as: SINGER STEPHEN · SINGER STEPHEN P · SINGER STEPHEN PAUL
82 granted patents·2 pending applications·634 citations·filing 1985–2018
99Inventor score
Top patents by PatentIndex Score
84 records- 0197US6319660B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 1999·Granted Nov 20, 2001·36 cites·133 claims
- 0295US6350564B1Color photographic element containing speed improving compound in combination with reflecting materialEASTMAN KODAK CO·Filed 2000·Granted Feb 26, 2002·21 cites·44 claims
- 0395US5563026AColor negative element having improved green record printer compatibilityEASTMAN KODAK CO·Filed 1995·Granted Oct 8, 1996·28 cites·12 claims
- 0494US6426180B1Color photographic element containing speed improving compound in combination with electron transfer agent releasing compoundEASTMAN KODAK CO·Filed 2000·Granted Jul 30, 2002·18 cites·23 claims
- 0593US6455242B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 2001·Granted Sep 24, 2002·13 cites·13 claims
- 0690US5641613APhotographic element containing an azopyrazolone masking coupler exhibiting improved keepingEASTMAN KODAK CO·Filed 1996·Granted Jun 24, 1997·20 cites·20 claims
- 0790US5298368APhotographic coupler compositions and methods for reducing continued couplingEASTMAN KODAK CO·Filed 1991·Granted Mar 29, 1994·21 cites·16 claims
- 0889US5250405AColor photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methodsEASTMAN KODAK CO·Filed 1991·Granted Oct 5, 1993·15 cites·18 claims
- 0988US5856072APhotographic element containing 5-carbamoyl resorcinol interlayer scavengerEASTMAN KODAK CO·Filed 1997·Granted Jan 5, 1999·15 cites·23 claims
- 1087US5376519APhotographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amineEASTMAN KODAK CO·Filed 1992·Granted Dec 27, 1994·15 cites·39 claims
- 1187US5350667APhotographic elements containing magenta couplers and process for using sameEASTMAN KODAK CO·Filed 1993·Granted Sep 27, 1994·16 cites·14 claims
- 1287US4923784APhotographic elements containing a bleach accelerator precursorEASTMAN KODAK CO·Filed 1988·Granted May 8, 1990·19 cites·14 claims
- 1385US6190848B1Color photographic element containing ballasted triazole derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted Feb 20, 2001·13 cites·36 claims
- 1484US4865956APhotographic elements containing a bleach accelerator precursorEASTMAN KODAK CO·Filed 1988·Granted Sep 12, 1989·16 cites·14 claims
- 1583US6893809B2Silver halide photographic element containing fogged emulsions for accelerated developmentEASTMAN KODAK CO·Filed 2002·Granted May 17, 2005·7 cites·33 claims
- 1683US5200309AColor photographic materials including magenta coupler, carbonamide compound and aniline or amine compound, and methodsEASTMAN KODAK CO·Filed 1991·Granted Apr 6, 1993·12 cites·29 claims
- 1783US5019492APhotographic element and process comprising a blocked photographically useful compoundEASTMAN KODAK CO·Filed 1989·Granted May 28, 1991·51 cites·8 claims
- 1881US5389504AColor photographic elements containing a combination of pyrazolone and pyrazoloazole couplersEASTMAN KODAK CO·Filed 1993·Granted Feb 14, 1995·13 cites·34 claims
- 1981US5262292APhotographic elements containing pyrazolone couplers and processEASTMAN KODAK CO·Filed 1992·Granted Nov 16, 1993·12 cites·15 claims
- 2080US7175975B2Photographic material with improved development inhibitor releasesEASTMAN KODAK CO·Filed 2005·Granted Feb 13, 2007·1 cites·19 claims
- 2180US4840884APhotographic element and process comprising a dye releasing groupEASTMAN KODAK CO·Filed 1987·Granted Jun 20, 1989·42 cites·10 claims
- 2278US6756188B2Photographic recording material for accelerated developmentEASTMAN KODAK CO·Filed 2002·Granted Jun 29, 2004·5 cites·43 claims
- 2378US6316177B1Color photographic element containing speed-improving polymersEASTMAN KODAK CO·Filed 2000·Granted Nov 13, 2001·5 cites·59 claims
- 2478US5629140APhotographic elements containing scavengers for oxidized developing agentEASTMAN KODAK CO·Filed 1995·Granted May 13, 1997·9 cites·24 claims
- 2578US5447831APhotographic element employing hue correction couplersEASTMAN KODAK CO·Filed 1993·Granted Sep 5, 1995·10 cites·25 claims
- 2676US6054257APhotographic element containing particular coupler and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·8 cites·30 claims
- 2775US5256528AMagenta image-dye couplers of improved hueEASTMAN KODAK CO·Filed 1992·Granted Oct 26, 1993·9 cites·17 claims
- 2874US6887656B2Color photographic element containing improved heterocyclic speed enhancing compoundEASTMAN KODAK CO·Filed 2003·Granted May 3, 2005·4 cites·38 claims
- 2974US6010837ASilver halide photographic element comprising image dye-forming couplersEASTMAN KODAK CO·Filed 1997·Granted Jan 4, 2000·8 cites·17 claims
- 3074US5681691APhotographic element containing an improved pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 28, 1997·7 cites·20 claims
- 3173US5262284AArylidene pyrazolone couplerEASTMAN KODAK CO·Filed 1991·Granted Nov 16, 1993·9 cites·15 claims
- 3272US6255045B1Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developerEASTMAN KODAK CO·Filed 2000·Granted Jul 3, 2001·3 cites·16 claims
- 3371US6811963B2Color photographic material with improved sensitivityEASTMAN KODAK CO·Filed 2003·Granted Nov 2, 2004·3 cites·26 claims
- 3467US6140029AColor photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layerEASTMAN KODAK CO·Filed 1999·Granted Oct 31, 2000·5 cites·25 claims
- 3566US7354701B2Photographic element with speed-enhancing compoundEASTMAN KODAK CO·Filed 2004·Granted Apr 8, 2008·2 cites·27 claims
- 3666US6794121B2Method of making a silver halide photographic material having enhanced light absorption and low fog and containing a scavenger for oxidized developerEASTMAN KODAK CO·Filed 2003·Granted Sep 21, 2004·2 cites·31 claims
- 3766US6589724B1Color photographic element containing speed-improving benzotriazole polymerEASTMAN KODAK CO·Filed 2001·Granted Jul 8, 2003·2 cites·40 claims
- 3866US5612173AOne equivalent couplers and low PKA release dyesEASTMAN KODAK CO·Filed 1995·Granted Mar 18, 1997·6 cites·28 claims
- 3966US5455150AColor photographic negative elements with enhanced printer compatibilityEASTMAN KODAK CO·Filed 1993·Granted Oct 3, 1995·6 cites·25 claims
- 4064US6472133B1Silver halide element with improved high temperature storageEASTMAN KODAK CO·Filed 2000·Granted Oct 29, 2002·2 cites·20 claims
- 4164US5723263AColor negative element having improved blue record printer compatibilityEASTMAN KODAK CO·Filed 1996·Granted Mar 3, 1998·5 cites·8 claims
- 4262US6043013AColor photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layerEASTMAN KODAK CO·Filed 1998·Granted Mar 28, 2000·4 cites·17 claims
- 4362US4619884APhotographic products employing nondiffusible N',N'-diaromatic carbocyclic--or diaromatic heterocyclic--sulfonohydrazide compounds capable of releasing photographically useful groupsEASTMAN KODAK CO·Filed 1985·Granted Oct 28, 1986·20 cites·13 claims
- 4460US6780573B1Color photographic element containing coupler moiety with improved amino acid timing groupEASTMAN KODAK CO·Filed 2003·Granted Aug 24, 2004·1 cites·21 claims
- 4559US5478712APhotographic elements protected against color contamination and dye stainEASTMAN KODAK CO·Filed 1993·Granted Dec 26, 1995·5 cites·20 claims
- 4658US6699652B1Color photographic material with improved sensitivity comprising a pyrazolotriazole couplerEASTMAN KODAK CO·Filed 2003·Granted Mar 2, 2004·1 cites·26 claims
- 4758US5561036APhotographic elements containing scavengers for oxidized developing agentEASTMAN KODAK CO·Filed 1995·Granted Oct 1, 1996·3 cites·19 claims
- 4858US2009234131A1Infrared dye for silver halide-based photographic elementsEASTMAN KODAK CO·Filed 2009·Application pending·0 cites
- 4957US10707452B2Method for making OLED with pass-through holeOLEDWorks LLC·Filed 2018·Granted Jul 7, 2020·0 cites·18 claims
- 5056US6416943B1Color photographic element containing coupler useful for forming neutral silver-based imageEASTMAN KODAK CO·Filed 2000·Granted Jul 9, 2002·1 cites·19 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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