Inventor · disambiguated record
Masakazu Iijima
Also filed as: IIJIMA MASAKAZU
30 granted patents·3 pending applications·808 citations·filing 1991–2012
97Inventor score
Top patents by PatentIndex Score
33 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
- 0495US6020426ACharge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic deviceFUJI XEROX CO LTD·Filed 1997·Granted Feb 1, 2000·83 cites·21 claims
- 0595US5358813ACrystals of chlorogallium phthalocyanine and method of preparing themFUJI XEROX CO LTD·Filed 1993·Granted Oct 25, 1994·59 cites·34 claims
- 0693US5393629AElectrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1993·Granted Feb 28, 1995·55 cites·20 claims
- 0793US5378569AOxytitaniumphthalocyanine hydrate crystal and electrophotographic photoreceptor using said crystalFUJI XEROX CO LTD·Filed 1993·Granted Jan 3, 1995·38 cites·1 claims
- 0889US5290928AProcess for preparing oxytitanium phthalocyanine hydrate crystalFUJI XEROX CO LTD·Filed 1992·Granted Mar 1, 1994·31 cites·10 claims
- 0988US5463043AProcess for producing a dichlorotin phthalocyanine crystalFUJI XEROX CO LTD·Filed 1994·Granted Oct 31, 1995·29 cites·11 claims
- 1088US5416207ADichlorotin 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
- 1188US5338636ADichlorotin 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
- 1288US5308728ADichlorotin 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
- 1387US5283145ACrystals 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
- 1482US5965063ACharge transporting material and method of preparing charge transporting particulates used thereinFUJI XEROX CO LTD·Filed 1997·Granted Oct 12, 1999·56 cites·16 claims
- 1575US5759726AElectrographic photosensitive memberFUJI XEROX CO LTD·Filed 1997·Granted Jun 2, 1998·15 cites·21 claims
- 1670US5292604APhthalocyanine crystal of mixed pigments and electrophotographic photoreceptor using the sameFUJI XEROX CO LTD·Filed 1992·Granted Mar 8, 1994·9 cites·18 claims
- 1769US5495011AProcess for preparing hydroxygallium phthalocyanine crystal, product thereof and electrophotographic photoreceptor using the sameFUJI XEROX CO LTD·Filed 1993·Granted Feb 27, 1996·9 cites·22 claims
- 1866US5336578APhthalocyanine mixed crystal and electrophotographic photoreceptor containing the sameFUJI XEROX CO LTD·Filed 1993·Granted Aug 9, 1994·14 cites·12 claims
- 1965US5304446AHydroxyindium phthalocyanine crystals and electrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1992·Granted Apr 19, 1994·7 cites·15 claims
- 2064US5302710APhthalocyanine mixed crystal and electrophotographic photoreceptor containing the sameFUJI XEROX CO LTD·Filed 1992·Granted Apr 12, 1994·11 cites·11 claims
- 2163US6395440B1Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus using the sameFUJI XEROX CO LTD·Filed 2000·Granted May 28, 2002·8 cites·12 claims
- 2258US7514194B2Toner for developing electrostatic latent image and production method thereof, electrostatic latent image developer, image forming method, and image forming apparatusFUJI XEROX CO LTD·Filed 2005·Granted Apr 7, 2009·1 cites·17 claims
- 2354US6887638B2Toner for developing electrostatic latent image, process for producing the same, process for forming image, apparatus for forming image and toner cartridgeFUJI XOEROX CO LTD·Filed 2003·Granted May 3, 2005·6 cites·22 claims
- 2451US8669032B2Electrostatic-image-developing toner, production method thereof, electrostatic image developer, and image forming apparatusIWANAGA TAKESHI·Filed 2009·Granted Mar 11, 2014·0 cites·15 claims
- 2550US2009016788A1Image forming methodFUJI XEROX CO LTD·Filed 2008·Application pending·0 cites
- 2649US5556967AProcess for producing hydroxygallium phthalocyanineFUJI XEROX CO LTD·Filed 1994·Granted Sep 17, 1996·2 cites·5 claims
- 2749US5463044AProcess for preparing chlorogallium phthalocyanine crystalFUJI XEROX CO LTD·Filed 1993·Granted Oct 31, 1995·7 cites·18 claims
- 2847US7291434B2Toner for electrostatically charged image development, manufacturing method thereof, image forming method, and image forming apparatus using the image forming methodFUJI XEROX CO LTD·Filed 2004·Granted Nov 6, 2007·3 cites·12 claims
- 2946US7399567B2Toner for electrostatic latent image development, electrostatic latent image developer containing the toner, and image formation method using the developerFUJI XEROX CO LTD·Filed 2005·Granted Jul 15, 2008·0 cites·18 claims
- 3042US5510217AGallium phthalocyanine halide crystals, method for preparing the same and electrophotographic photoreceptor using the sameFUJI XEROX CO LTD·Filed 1994·Granted Apr 23, 1996·5 cites·21 claims
- 3138US5362589AElectrophotographic photoreceptor containing phthalocyanine mixed crystalsFUJI XEROX CO LTD·Filed 1993·Granted Nov 8, 1994·3 cites·6 claims
- 3238US2005208412A1Image forming methodFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 3338US2013059244A1Silica particles, electrostatic image developing toner, developer for developing electrostatic images, and method of forming imagesIWANAGA TAKESHI·Filed 2012·Application pending·0 cites
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