Inventor · disambiguated record
Katsumi Nukada
Also filed as: NUKADA KATSUMI
147 granted patents·15 pending applications·1,561 citations·filing 1987–2020
99Inventor score
Top patents by PatentIndex Score
162 records- 0197US5459004AProcess for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystalsFUJI XEROX CO LTD·Filed 1993·Granted Oct 17, 1995·73 cites·19 claims
- 0297US5302479ACrystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the materialFUJI XEROX CO LTD·Filed 1992·Granted Apr 12, 1994·97 cites·23 claims
- 0397US5298617AOxytitaniumphthalocyanine hydrate crystal and electrophotographic photoreceptor using said crystalFUJI XEROX CO LTD·Filed 1991·Granted Mar 29, 1994·70 cites·3 claims
- 0496US10597505B2Polyimide precursor solution and polyimide filmFUJI XEROX CO LTD·Filed 2017·Granted Mar 24, 2020·4 cites·18 claims
- 0595US9034543B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted May 19, 2015·17 cites·14 claims
- 0695US5358813ACrystals of chlorogallium phthalocyanine and method of preparing themFUJI XEROX CO LTD·Filed 1993·Granted Oct 25, 1994·59 cites·34 claims
- 0794US9707722B2Method for producing porous polyimide film, and porous polyimide filmFUJI XEROX CO LTD·Filed 2015·Granted Jul 18, 2017·4 cites·9 claims
- 0893US5639581ACharge transporting polymer, process for producing the same, and organic electronic device containing the sameFUJI XEROX CO LTD·Filed 1995·Granted Jun 17, 1997·55 cites·2 claims
- 0993US5393629AElectrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1993·Granted Feb 28, 1995·55 cites·20 claims
- 1093US5378569AOxytitaniumphthalocyanine hydrate crystal and electrophotographic photoreceptor using said crystalFUJI XEROX CO LTD·Filed 1993·Granted Jan 3, 1995·38 cites·1 claims
- 1192US10696808B2Porous film and method of forming porous filmFUJI XEROX CO LTD·Filed 2016·Granted Jun 30, 2020·4 cites·16 claims
- 1290US9829813B2Fluorine-containing resin particle dispersion, method for preparing fluorine-containing resin particle dispersion, coating liquid which contains fluorine-containing resin particles, method for preparing coating film which contains fluorine-containing resin particles, coating film which contains fluorine-containing resin particles, molded body, electrophotographic photoreceptor, method for preparing electrophotographic photoreceptor, image forming apparatus, and process cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Nov 28, 2017·3 cites·4 claims
- 1390US7727692B2Electrophotographic photoreceptor, image forming apparatus, and process cartridgeFUJI XEROX CO LTD·Filed 2007·Granted Jun 1, 2010·12 cites·16 claims
- 1490US5493016AProcesses for the preparation of alkoxy-bridged metallophthalocyanine dimersXEROX CORP·Filed 1994·Granted Feb 20, 1996·32 cites·36 claims
- 1589US8524433B2Electrophotographic photoconductor, process cartridge, and image forming apparatusDOI TAKATSUGU·Filed 2010·Granted Sep 3, 2013·6 cites·12 claims
- 1689US5290928AProcess for preparing oxytitanium phthalocyanine hydrate crystalFUJI XEROX CO LTD·Filed 1992·Granted Mar 1, 1994·31 cites·10 claims
- 1788US5734003ACharge transporting polymer, process for producing the same, and organic electronic device containing the sameFUJI XEROX CO LTD·Filed 1996·Granted Mar 31, 1998·44 cites·14 claims
- 1888US5463043AProcess for producing a dichlorotin phthalocyanine crystalFUJI XEROX CO LTD·Filed 1994·Granted Oct 31, 1995·29 cites·11 claims
- 1988US5416207ADichlorotin phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor using the sameFUJI XEROX CO LTD·Filed 1993·Granted May 16, 1995·27 cites·13 claims
- 2088US5338636ADichlorotin phthalocyanine crystal electrophotographic photoreceptor using the same, and coating composition for electrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1993·Granted Aug 16, 1994·29 cites·14 claims
- 2188US5308728ADichlorotin phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor using the sameFUJI XEROX CO LTD·Filed 1992·Granted May 3, 1994·29 cites·8 claims
- 2287US8748070B2Thiol group-containing charge transporting material, thiol group-containing charge transporting material-dissolving solution, photoelectric conversion device, electrophotographic photoreceptor, image forming apparatus, and process cartridgeNUKADA KATSUMI·Filed 2011·Granted Jun 10, 2014·5 cites·14 claims
- 2387US8673526B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusSONOBE KENYA·Filed 2011·Granted Mar 18, 2014·5 cites·18 claims
- 2487US5654119AOrganic electronic device comprising charge-transporting polyester and image forming apparatusFUJI XEROX CO LTD·Filed 1996·Granted Aug 5, 1997·42 cites·16 claims
- 2587US5283145ACrystals of dichlorotin phthalocyanine, method of preparing the crystal, and electrophotographic photoreceptor comprising the crystalFUJI XEROX CO LTD·Filed 1992·Granted Feb 1, 1994·32 cites·17 claims
- 2687US5102757AElectrophotographic photosensitive member and image forming processFUJI XEROX CO LTD·Filed 1991·Granted Apr 7, 1992·38 cites·11 claims
- 2786US4933245AElectrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1987·Granted Jun 12, 1990·32 cites·15 claims
- 2884US6046348ASilane compound, method for making the same, and electrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1997·Granted Apr 4, 2000·35 cites·6 claims
- 2982US5965063ACharge transporting material and method of preparing charge transporting particulates used thereinFUJI XEROX CO LTD·Filed 1997·Granted Oct 12, 1999·56 cites·16 claims
- 3081US8808952B2Composition for forming charge transporting film, electrophotographic photoreceptor, process cartridge, and image forming apparatusIWADATE YUKO·Filed 2012·Granted Aug 19, 2014·3 cites·16 claims
- 3181US8669029B2Reactive compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor and method of producing the same, process cartridge, and image forming apparatusSASAKI TOMOYA·Filed 2012·Granted Mar 11, 2014·2 cites·8 claims
- 3281US5643703AHydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising sameFUJI XEROX CO LTD·Filed 1995·Granted Jul 1, 1997·16 cites·1 claims
- 3381US5360475AProcess for preparing hydroxymetal phthalocyanine pigmentFUJI XEROX CO LTD·Filed 1993·Granted Nov 1, 1994·16 cites·8 claims
- 3479US6372398B1Electronic device, manufacturing method of electronic device, electrophotographic photoreceptor, and process cartridgeFUJI XEROX CO LTD·Filed 2000·Granted Apr 16, 2002·18 cites·16 claims
- 3578US9389525B2Fluorine-containing resin particle dispersion, method for preparing fluorine-containing resin particle dispersion, coating liquid which contains fluorine-containing resin particles, method for preparing coating film which contains fluorine-containing resin particles, coating film which contains fluorine-containing resin particles, molded body, electrophotographic photoreceptor, method for preparing electrophotographic photoreceptor, image forming apparatus, and process cartridgeNUKADA KATSUMI·Filed 2011·Granted Jul 12, 2016·2 cites·12 claims
- 3678US5817739ACharge transporting polymer and organic electronic device containing the sameFUJI XEROX CO LTD·Filed 1996·Granted Oct 6, 1998·27 cites·11 claims
- 3778US5512674AProcess for preparing titanyl phthalocyanine crystal by solvent dilutionFUJI XEROX CO LTD·Filed 1993·Granted Apr 30, 1996·14 cites·6 claims
- 3877US5075487AFluorene derivativeFUJI XEROX CO LTD·Filed 1990·Granted Dec 24, 1991·14 cites·3 claims
- 3976US8518617B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusMIYAMOTO TSUYOSHI·Filed 2010·Granted Aug 27, 2013·2 cites·18 claims
- 4076US6232466B1Process for preparing titanyl phthalocyanine crystal by solvent treatment of amorphous or quasi-amorphous titanyl phthalocyanineFUJI XEROX CO LTD·Filed 1991·Granted May 15, 2001·13 cites·13 claims
- 4176US5508395AHydroxygallium phthalocyanine crystal, process for preparing sameFUJI XEROX CO LTD·Filed 1994·Granted Apr 16, 1996·10 cites·7 claims
- 4276US5011757AElectrophotographic photoreceptor containing a fluorene derivativeFUJI XEROX CO LTD·Filed 1989·Granted Apr 30, 1991·12 cites·15 claims
- 4375US8373160B2Electrophotographic photoreceptor, process cartridge image forming apparatus, and cured filmFUJI XEROX CO LTD·Filed 2010·Granted Feb 12, 2013·2 cites·15 claims
- 4475US5604064ACharge-transporting polymer and organic electronic device using the sameFUJI XEROX CO LTD·Filed 1995·Granted Feb 18, 1997·25 cites·7 claims
- 4574US6741387B2Display elementFUJI XEROX CO LTD·Filed 2002·Granted May 25, 2004·15 cites·32 claims
- 4674US5466796AAlkoxy-bridged metallophthalocyanine dimersXEROX CORP·Filed 1994·Granted Nov 14, 1995·11 cites·23 claims
- 4773US11427692B2Polyimide precursor solution and polyimide filmFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Aug 30, 2022·0 cites·18 claims
- 4873US7585603B2Curable resin composition, electrophotographic photoreceptor, process cartridge, and image-forming apparatusFUJI XEROX CO LTD·Filed 2006·Granted Sep 8, 2009·4 cites·15 claims
- 4973US5153085AElectrophotographic photosensitive member and image forming processFUJI XEROX CO LTD·Filed 1991·Granted Oct 6, 1992·21 cites·9 claims
- 5072US10195794B2Method for producing porous polyimide film, and porous polyimide filmFUJI XEROX CO LTD·Filed 2017·Granted Feb 5, 2019·0 cites·7 claims
Showing the top 50 of 162 patent records by PatentIndex Score.
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