Inventor · disambiguated record
Masayuki Shoshi
Also filed as: SHOSHI MASAYUKI
34 granted patents·589 citations·filing 1982–2012
98Inventor score
Top patents by PatentIndex Score
34 records- 0197US5492784APositively-chargeable single-layered type electrophotographic photoconductorRICOH KK·Filed 1993·Granted Feb 20, 1996·106 cites·9 claims
- 0294US6465648B1Reaction product, process of producing same, electrophotographic photoconductor using same, electrophotographic apparatus having the photoconductor, and process cartridge for electrophotographic apparatusRICOH KK·Filed 2000·Granted Oct 15, 2002·37 cites·34 claims
- 0393US6544701B2Reaction product, process for the production thereof, electrophotographic photoconductor using the reaction product, electrophotographic apparatus using the photoconductor, and process cartridge for electrophotographic apparatusRICOH KK·Filed 2002·Granted Apr 8, 2003·41 cites·40 claims
- 0489US5350653AElectrophotographic photoconductorRICOH KK·Filed 1993·Granted Sep 27, 1994·28 cites·16 claims
- 0588US6524761B2Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the sameRICOH KK·Filed 2001·Granted Feb 25, 2003·19 cites·9 claims
- 0687US8871861B2Silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the inkSHOSHI MASAYUKI·Filed 2012·Granted Oct 28, 2014·10 cites·7 claims
- 0784US6313288B1Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the sameRICOH KK·Filed 1999·Granted Nov 6, 2001·30 cites·7 claims
- 0884US5486438AElectrophotographic photoconductorRICOH KK·Filed 1994·Granted Jan 23, 1996·25 cites·22 claims
- 0983US6849367B2Electrophotographic photoconductor, process for forming an image, image forming apparatus and a process cartridge for the sameRICOH KK·Filed 2002·Granted Feb 1, 2005·22 cites·38 claims
- 1079US5700614Acyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compoundRICOH KK·Filed 1995·Granted Dec 23, 1997·21 cites·12 claims
- 1178US8383314B2Photocurable liquid developer, method for producing the same, developing device and image forming apparatusRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·2 cites·4 claims
- 1275US6074792ATetraazaporphyrin pigment for use in electrophotographic photoconductor and electrophotographic photoconductor using the sameRICOH KK·Filed 1998·Granted Jun 13, 2000·23 cites·16 claims
- 1375US5942362AElectrophotographic photoconductorRICOH KK·Filed 1997·Granted Aug 24, 1999·24 cites·23 claims
- 1474US4992109APhotoelectric conversion elementRICOH KK·Filed 1989·Granted Feb 12, 1991·28 cites·22 claims
- 1572US7175958B2Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the sameRICOH KK·Filed 2004·Granted Feb 13, 2007·12 cites·43 claims
- 1671US6068956AElectrophotographic photoconductorRICOH KK·Filed 1999·Granted May 30, 2000·20 cites·18 claims
- 1771US5750762ACyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compoundRICOH KK·Filed 1996·Granted May 12, 1998·13 cites·6 claims
- 1871US5387487AElectrophotographic photoconductorRICOH KK·Filed 1992·Granted Feb 7, 1995·19 cites·7 claims
- 1971US4567124AElectrophotographic element with trisazo photoconductor and an amine substituted charge transfer materialRICOH KK·Filed 1984·Granted Jan 28, 1986·15 cites·7 claims
- 2071US4444844AThermosensitive recording materialRICOH KK·Filed 1982·Granted Apr 24, 1984·13 cites·3 claims
- 2166US7348113B2Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unitRICOH KK·Filed 2004·Granted Mar 25, 2008·10 cites·17 claims
- 2265US4603097AStyrene derivatives and electrophotographic photoconductor comprising one of the styrene derivativesRICOH KK·Filed 1984·Granted Jul 29, 1986·10 cites·15 claims
- 2364US7556902B2Aromatic polyester resin, and electrophotographic photoconductor and image forming apparatus using thereofRICOH KK·Filed 2005·Granted Jul 7, 2009·2 cites·23 claims
- 2461US5159084AOptically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the sameRICOH KK·Filed 1991·Granted Oct 27, 1992·6 cites·1 claims
- 2557US5460909APyrazine compound and electrophotographic photoconductor comprising the sameRICOH KK·Filed 1994·Granted Oct 24, 1995·10 cites·2 claims
- 2657US5072043AStyrene derivatives and electrophotographic photoconductor comprising one of the styrene derivativesRICOH KK·Filed 1990·Granted Dec 10, 1991·9 cites·2 claims
- 2756US7452640B2Electrophotographic photoconductor for liquid development, image forming apparatus having the same, and image forming methodRICOH KK·Filed 2005·Granted Nov 18, 2008·1 cites·12 claims
- 2856US5227512AStilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compoundRICOH KK·Filed 1990·Granted Jul 13, 1993·5 cites·2 claims
- 2953US5314997AOptically active azo compound, producing method thereof, and liquid crystal composition containing said compoundRICOH KK·Filed 1992·Granted May 24, 1994·4 cites·3 claims
- 3050US7309552B2Electrophotographic photoconductor, electrophotography, electrophotographic apparatus, process cartridge for electrophotographic apparatus and azo compoundRICOH KK·Filed 2004·Granted Dec 18, 2007·4 cites·33 claims
- 3144US5618935ATricyclic pyrazine compound and electrophotographic photoconductor comprising the sameRICOH KK·Filed 1995·Granted Apr 8, 1997·6 cites·2 claims
- 3241US5310503AStilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compoundRICOH KK·Filed 1993·Granted May 10, 1994·4 cites·1 claims
- 3341US5292896AAmino styrene derivativesRICOH KK·Filed 1991·Granted Mar 8, 1994·5 cites·3 claims
- 3441US5234623AOptically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the sameRICOH KK·Filed 1992·Granted Aug 10, 1993·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →