| Patent application number | Description | Published |
|---|
| 20080227007 | Image forming apparatus and process cartridge - An image forming apparatus including an image bearing member, a charger, an irradiator, and a developing device, wherein the relationships T | 09-18-2008 |
| 20090035017 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND METHOD FOR PRODUCING THE SAME, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - There is provided an electrophotographic photoconductor containing a conductive substrate, and a photosensitive layer, disposed thereon, containing a charge transporting material having a triarylamine structure represented by General Formula 1, and wherein the photosensitive layer satisfies Mathematical Formula 1 when peak heights in raman scattering spectra of the triarylamine structure are measured at a wavenumber of 1,324±2 cm | 02-05-2009 |
| 20090185821 | Electrophotographic photoreceptor, and image formihg appratus and process cartridge using same - An electrophotographic photoreceptor including a conductive substrate; a charge generation layer comprising a metal phthalocyanine pigment as a charge generation material, located overlying the conductive substrate; a charge transport layer comprising a charge transport material having a triarylamine structure, located overlying the charge generation layer; and a cross-linked charge transport layer formed by hardening a radical-polymerizable monomer having no charge transport structure and a radical-polymerizable compound having a charge transport structure, located overlying the charge transport layer. The electrophotographic photoreceptor satisfies the following equations (1) and (2): | 07-23-2009 |
| 20090324281 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS USING THE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTORECEPTOR - An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer contains a binder resin and multiple inorganic pigments each having different average primary particle diameters in a total amount of from 75 to 86% by weight, the charge generation layer contains a binder resin and a titanyl phthalocyanine pigment having a specific X-ray diffraction spectrum in an amount of from 70 to 85% by weight, the charge transport layer comprises a specific distyryl compound, and the following formulae (2-1) to (2-3) are satisfied: | 12-31-2009 |
| 20100010204 | METHOD OF PREPARING COMPLEX-AZO PIGMENT AND COMPLEX-AZO PIGMENT THEREOF - A method of preparing a complex-azo pigment having plural pigment components including at least an azo pigment represented by the following formula (a) | 01-14-2010 |
| 20100310975 | Electrophotographic Photoreceptor, And Image Forming Apparatus And Process Cartridge Therefor Using The Photoreceptor - An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer overlying the substrate, wherein the photosensitive layer comprises a complex azo pigment comprising an azo compound having the following formula (a): | 12-09-2010 |
