Inventor · disambiguated record
Ronald Harold Levin
Also filed as: LEVIN RONALD H · LEVIN RONALD HAROLD
20 granted patents·2 pending applications·91 citations·filing 1980–2008
93Inventor score
Top patents by PatentIndex Score
22 records- 0185US7642027B2Control of crazing, cracking or crystallization of a charge transport layer in a photoconductorLEXMARK INT INC·Filed 2006·Granted Jan 5, 2010·9 cites·20 claims
- 0283US7955769B2Control of crazing, cracking or crystallization of a charge transport layer in a photoconductorLEXMARK INT INC·Filed 2008·Granted Jun 7, 2011·7 cites·15 claims
- 0365US6066427AMethods for making a charge generating layers comprising type I polymorph of titanyl phthalocyanine with reduced photosensitivity and photoconductors including the sameLEXMARK INT INC·Filed 1999·Granted May 23, 2000·9 cites·20 claims
- 0462US6080518AElectrophotographic photoconductor containing simple quinones to improve electrical propertiesLEXMARK INT INC·Filed 1999·Granted Jun 27, 2000·15 cites·11 claims
- 0558US6214502B1Charge generation layers comprising binder blends and photoconductors including the sameLEXMARK INT INC·Filed 2000·Granted Apr 10, 2001·8 cites·35 claims
- 0653US6245471B1Charge generation layers comprising at least one titanate and photoconductors including the sameLEXMARK INT INC·Filed 2000·Granted Jun 12, 2001·5 cites·42 claims
- 0749US5925486AImaging members with improved wear characteristicsLEXMARK INT INC·Filed 1997·Granted Jul 20, 1999·9 cites·18 claims
- 0847US4321318ADisazo photoconductor and process of manufacture of electrophotographic elementIBM·Filed 1980·Granted Mar 23, 1982·3 cites·8 claims
- 0944US6432597B1Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layerLEXMARK INT INC·Filed 2000·Granted Aug 13, 2002·2 cites·20 claims
- 1043US6544702B1Charge transport layers comprising hydrazones and photoconductors including the sameLEXMARK INT INC·Filed 1999·Granted Apr 8, 2003·6 cites·28 claims
- 1143US5773184AProcessing which enhances photoconductivity of type I titanyl phthalocyanineLEXMARK INT INC·Filed 1997·Granted Jun 30, 1998·3 cites·9 claims
- 1240US6787276B2Dual layer photoconductors with charge transport layer including styrene-acrylic resinLEXMARK INT INC·Filed 2002·Granted Sep 7, 2004·2 cites·14 claims
- 1339US6114583APreparation of triarylaminesLEXMARK INT INC·Filed 1999·Granted Sep 5, 2000·1 cites·27 claims
- 1438US8178265B2Electrophotographic photoreceptor having a spectral marker and electrophotographic printer using the sameBLACK DAVID GLENN·Filed 2008·Granted May 15, 2012·0 cites·11 claims
- 1537US5994013ADual layer photoconductors with charge generation layer containing charge transport compoundLEXMARK INT INC·Filed 1998·Granted Nov 30, 1999·4 cites·22 claims
- 1635US5972549ADual layer photoconductors with charge generation layer containing hindered hydroxylated aromatic compoundLEXMARK INT INC·Filed 1998·Granted Oct 26, 1999·3 cites·24 claims
- 1735US2007134570A1Long life photoconductorsLEXMARK INT INC·Filed 2005·Application pending·0 cites
- 1834US6022657AMethods of making charge generation layers containing charge transport compound, and photoconductors containing the sameLEXMARK INT INC·Filed 1998·Granted Feb 8, 2000·3 cites·22 claims
- 1930US6881272B2Selective removal of photoreceptor coatings by ultrasonificationLEXMARK INT INC·Filed 2002·Granted Apr 19, 2005·0 cites·27 claims
- 2030US5895739AEnhanced photoconductive oxo-titanyl phthalocyanineLEXMARK INT INC·Filed 1997·Granted Apr 20, 1999·2 cites·10 claims
- 2129US5571650AOrganic positive photoconductorLEXMARK INT INC·Filed 1995·Granted Nov 5, 1996·0 cites·4 claims
- 2227US2002122998A1Charge transfer layer with hydrazone, acetosol yellow and antioxidant of butylated p-cresol reacted with dicyclopentadieneFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →