Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US395165420 Jun 197420 Apr 1976Xerox CorporationMethod for enhancement in the rate and efficiency of photodischarge of electrostatographic imaging members comprising phthalocyanine
US398986022 Jul 19742 Nov 1976Xerox CorporationRepair technique for photoreceptors
US42149075 Jan 197829 Jul 1980Mita Industrial Company, Ltd.Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor
US42185288 Jun 197819 Aug 1980Konishiroku Photo Industry Co., Ltd.Electrophotographic photoreceptor with phthalocyanine in phenol resin binder
US43628019 Oct 19817 Dec 1982Fujitsu LimitedCopper phthalocyanine photosensitive material for electrophotography with binder and an oxadiazole
US437841826 Sep 197929 Mar 1983Xerox CorporationHole injecting contact for overcoated photoreceptors
US44775476 Jan 198316 Oct 1984Mitsubishi Paper Mills, Ltd.Method for making complex layer type lithografic printing plate
US448127028 Apr 19836 Nov 1984Ricoh Systems, Inc.Photoreceptor containing squaric acid methine dyes
US450062111 Apr 198319 Feb 1985Ricoh Systems, Inc.Sensitive electrophotographic plates containing squaric acid methine dyes suspended in a binder
US450737415 Apr 198326 Mar 1985Hitachi, Ltd.
Toyo Ink Manufacturing Co., Ltd.
Electrophotographic recording medium containing .tau. and .eta. metal-free phthalocyanine
US453928416 Apr 19843 Sep 1985Xerox CorporationDeveloper compositions with infrared absorbing additives
US45488863 Jun 198322 Oct 1985Canon Kabushiki KaishaRadiation sensitive organic thin film comprising an azulenium salt
US455798913 Sep 198410 Dec 1985Xerox CorporationPhotoresponsive imaging members with dihydroxy metal phthalocyanine compositions
US456576115 Jun 198421 Jan 1986Canon Kabushiki KaishaElectrophotographic process utilizing an azulenium salt-containing photosensitive member
US458718831 Aug 19836 May 1986Oki Electric Industry Co., Ltd.Phthalocyanine photoconductor for electrophotography
US459297719 Jun 19843 Jun 1986Toppan Printing Co., Ltd.
Toyo Ink Mfg. Co., Ltd.
Lithographic printing plate
US45929849 Jul 19843 Jun 1986Canon Kabushiki KaishaMultilayer electrophotographic photosensitive member
US461855426 Mar 198521 Oct 1986Toyo Ink Mfg. Co., Ltd.
Minolta Camera Kabushiki Kaisha
Electrophotographic photoreceptor having photosensitive layer made of a phthalocyanine treated with an acrylic resin
US46649971 Oct 198512 May 1987Mitsubishi Chemical Industries, Ltd.Crystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotography
US466860010 May 198526 May 1987Hoechst AktiengesellschaftElectrophotographic recording material containing an n-type conducting pigment
US471166814 Apr 19868 Dec 1987Ricoh Company, Ltd.Aqueous ink composition
US474809930 Jun 198731 May 1988Konishiroku Photo Industry Co., Ltd.Process for forming printing plate using an electrophotographic material for obtaining toner image
US474848012 Jun 198731 May 1988Xerox CorporationControlled authentic document recognition equipment
US474963723 Apr 19877 Jun 1988Hitachi Chemical Co., Ltd.Electrophotographic plate with silicon naphthalocyanine
US475747231 Dec 198612 Jul 1988Tecon Memory, Inc.Electrophotographic optical memory system
US480014514 Jul 198724 Jan 1989Imperial Chemical Industries, PLCSubstituted phthaloayanine photoconductor and charge transport phase
US48822545 Jul 198821 Nov 1989Xerox CorporationPhotoconductive imaging members with mixtures of photogenerator pigment compositions
US496345220 Oct 198816 Oct 1990Photosensitive member for inputting digital light
US497187725 Oct 198820 Nov 1990Mita Industrial Co., Ltd..alpha.-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same
US498176727 Jun 19891 Jan 1991Mitsubishi Petrochemical Co., Ltd.Photoconductive mixed crystals of phthalocyanine compounds and process for producing the same
US498348314 Apr 19898 Jan 1991Industrial Technology Research InstituteOrganic photoreceptor for use in electrophotography employing squarylium and copper phthalocyanine as charge generation materials
US503248027 Dec 198816 Jul 1991Fuji Xerox Co., Ltd.Multilayer electrophotographic photoreceptor
US503429529 Dec 198923 Jul 1991Xerox CorporationFlexible electrostatographic imaging system
US506655729 Dec 198919 Nov 1991Xerox CorporationStyrene butadiene copolymers as binders in mixed pigment generating layer
US51007527 May 199031 Mar 1992Xerox CorporationProcesses for the preparation of phthalocyanines for electrophotography
US510653630 Aug 199021 Apr 1992Mita Industrial Co., Ltd..alpha.-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same
US51321894 Sep 199021 Jul 1992Fuji Electric Co., Ltd.Photoconductor for electrophotography
US517898127 Feb 199112 Jan 1993Fuji Electric Co., Ltd.Photoconductor for electrophotography with a charge generating substance comprising a polycyclic and azo compound
US519831827 Nov 199130 Mar 1993Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US527014227 Jun 199014 Dec 1993Xerox CorporationPhoto-erasable ionographic receptor
US527589810 Feb 19934 Jan 1994Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US528659011 Jun 199315 Feb 1994Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US529260211 Jun 19938 Mar 1994Fugi Electric Co., Ltd.Bisazo photoconductor for electrophotography
US529260811 Jun 19938 Mar 1994Fugi Electric Co., Ltd.Bisazo photoconductor for electrophotography
US530444412 Apr 199319 Apr 1994Matsushita Electric Industrial Co., Ltd.Photosensitive material for electrophotography comprising organic photoconductive substances in a binder polymer having aromatic rings, OH groups and bromine joined at the aromatic ring or rings
US531270629 May 199217 May 1994Xerox CorporationInfra-red photoconductor based on octa-substituted phthalocyanines
US531688118 Dec 199231 May 1994Fuji Electric Co., Ltd.Photoconductor for electrophotgraphy containing benzidine derivative
US536896612 May 199329 Nov 1994Fuji Electric Co., Ltd.Photosensitive member for electrophotography with indole derivative
US53936271 Feb 199328 Feb 1995Fuji Electric Co., Ltd.Photoconductor for electrophotography
US544183729 Jul 199415 Aug 1995Xerox CorporationPhotoconductive imaging members with acetoxymetal phthalocyanines
US550607928 Feb 19959 Apr 1996Ricoh Company, Ltd.
Leonid S. Grigoryan
Kyuya Yakushi
Magnetic composition, magnetic toner and ink containing the magnetic composition
US553661131 Mar 199516 Jul 1996Minnesota Mining and Manufacturing CompanyDispersing polymers for phthalocyanine pigments used in organic photoconductors
US55454997 Jul 199513 Aug 1996Lexmark International, Inc.Electrophotographic photoconductor having improved cycling stability and oil resistance
US566550312 Aug 19949 Sep 1997Mitsubishi Denki Kabushiki KaishaPositive charge type organic photoconductive layer
US568621614 Nov 199511 Nov 1997Mitsubishi Denki Kabushiki KaishaPhotosensitive member and method of producing the same
US572108020 Dec 199624 Feb 1998AGFA-GEVAERT, N.V.Electrophotographic material containing particular phthalocyanines
US599232212 Sep 199730 Nov 1999Howard A. FromsonWaterless lithographic printing plate having a cyanoacrylate image
US600152215 Jul 199314 Dec 1999Imation Corp.Barrier layer for photoconductor elements comprising an organic polymer and silica
US60149312 Sep 199818 Jan 2000Howard A. FromsonImaging a lithographic printing plate
US628303018 Jan 20004 Sep 2001Howard A. FromsonImaging a lithographic printing plate
US698447924 Apr 200210 Jan 2006Fuji Electric Imaging Device Co., Ltd.Electrophotographic photoconductor and manufacturing method therefore
US713526122 Aug 200314 Nov 2006Fuji Electric Imaging Device Co., Ltd.Multi-layered organic electrophotographic photoconductor
US766252913 Sep 200616 Feb 2010Fuji Electric Device Technology Co., Ltd.Electrophotographic photoconductor
US81103263 Jun 20087 Feb 2012Ricoh Company LimitedElectrophotographic photoreceptor, image forming apparatus, and process cartridge