| Patent application number | Description | Published |
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| 20090110449 | SEPARATING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS - A fixing device includes a fixing roller and a pressing roller that are in pressure contact with each other. A separating plate is placed opposite to the fixing roller with a certain gap in between them. Positioning portions are installed on the separating plate to be in contact with width-direction ends of the fixing roller for determining the gap. The positioning portions are arranged such that edges of contact portions of the positioning portions on the width-direction center side in contact with the fixing unit are positioned outside an image area and inside a paper-passing area for a recording medium of a maximum passing-capable size. | 04-30-2009 |
| 20090129836 | Fixing device and image forming apparatus using this fixing device - A fixing device and an image forming apparatus using this, in which even if permanent warping is produced on a roller member that forms a fixing nip portion, no collision sound is produced due to the collision of gears, the fixing device including: two roller members that form a nip portion in which a recording medium is pressed by pressure means and transported; and a drive gear that engages with a shaft portion of one of the two roller members and transmits driving force to that roller member. A key is formed in the drive gear and a key groove having a gap opened therein is formed in the shaft portion, and when a rotation velocity of the roller member increases, transmission of driving force from the drive gear to the shaft portion is suspended and the drive gear slides on the shaft portion. | 05-21-2009 |
| 20090190949 | IMAGE FORMING APPARATUS - An image forming apparatus enables a high-quality double-side printing of a transfer medium by one-pass method using a simple structure. A latent image is formed and developed on an image carrier (drum) in a process cartridge. A resultant toner image is transferred by a first transfer unit (roller) onto either an upper surface of the transfer medium or a first intermediate transfer body (roller) in a first transfer area. The toner image on the first intermediate transfer body is transferred onto a back surface of the transfer medium in a fourth transfer area via a second intermediate transfer body (belt) and a third intermediate transfer body (roller). The fourth transfer area is located downstream of the first transfer area along a transport path of the transfer medium. | 07-30-2009 |
| 20090238585 | IMAGE FORMING APPARATUS - An image forming apparatus, forming a color image by successively superposing color images, formed on image carriers of corresponding image forming parts arranged along a rotational direction of an endless moving member, onto the endless moving member or a recording medium conveyed thereby, includes a first part causing a color registration pattern to be created on the endless moving member or the recording medium; a second part obtaining a color registration pattern signal by detecting the color registration pattern; a third part changing image formation timing in the image forming parts based on the color registration pattern signal; and a fourth part causing the endless moving member to rotate in forward and reverse directions after the creation of the color registration pattern. The second part obtains the color registration pattern signal by detecting the color registration pattern during each of the forward and reverse rotations of the endless moving member. | 09-24-2009 |
| 20100239297 | Fixing device and image forming apparatus including same - A fixing device includes a cylindrical fixing member, having an external circumferential surface including a crown portion curved radially outward and a inverted-crown portion curved radially inward, a pressing unit including a convexity and a concavity formed on a facing surface facing the fixing member, a first heating member to heat the fixing member, corresponding to the crown portion of the fixing member, a second heating member to heat the fixing member, corresponding to the inverted-crown portion of the fixing member, a temperature detector to detect a surface temperature of the fixing member, and a controller to control the first heating member and the second heating member independently. The pressing unit presses against the fixing member while the crown portion and the inverted-crown portion of the fixing member match the concavity and the convexity of the pressing unit, respectively, forming a curved fixing nip therebetween. | 09-23-2010 |
| 20110188896 | DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A developing unit includes: a developer carrier; a toner supplying member having a porous surface layer; a toner storage storing therein toner; a stirring member that is rotated to stir the toner; a toner amount detecting unit that detects an amount of the toner; a toner supplying unit that supplies new toner to the toner storage based on a detection result; and a toner removing member that removes the toner carried in the porous surface layer, wherein the toner removing member is arranged in a separable and contactable manner from and with the porous surface layer, and the developing unit has a stirring mode in which the toner removing member is brought into contact with the porous surface layer, and the toner supplying member is rotated while the stirring member is rotated to stir the toner. | 08-04-2011 |
| 20110194864 | IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD - A toner supplying method for supplying toner from a toner container to a developing part that causes toner to adhere to a latent image formed on a latent image carrying member and develops the latent image, includes detecting a toner amount in the developing part as being equal to or less than a predetermined toner amount value; forming a fog detecting image in a case where the toner amount in the developing part is equal to or less than the predetermined toner amount value, and detecting fog; and determining based on the detected fog whether to execute a toner ejecting process of ejecting the toner remaining in the developing part toward the latent image carrying member before supplying the toner to the developing part from the toner container. | 08-11-2011 |
| 20110217055 | IMAGE FORMING APPARATUS AND TONER SUPPLY METHOD - Toner is supplied from a toner container to a developing part that causes the toner to adhere to a latent image formed on a latent image carrying member and develops the latent image, a pre-toner-supply operation of supplying a predetermined amount of toner to the developing part is carried out, a fog detecting image is formed and fog is detected in the fog detecting image, a toner supply amount to be supplied to the developing part is determined based on the fog detected in the detecting and an operational status of the developing part since the toner was supplied to the developing part the last time, and the toner supply amount of the toner determined in the determining is supplied to the developing part. | 09-08-2011 |
| 20120033997 | DEVELOPMENT DEVICE, PROCESSING UNIT AND IMAGE FORMING APPARATUS - A development device includes a developer carrier configured to carry on a surface thereof a developer, the developer carrier being disposed to face a latent image carrier, a developer tank having the developer carrier, a developer container configured to house the developer to be supplied to the developer tank, the developer container being connected to the developer tank through a partition having an opening, and a developer carrier member configured to carry the developer in the developer container, the developer being supplied to the developer tank from the opening while being carried by the developer carrier member, and the amount of developer to be supplied to the developer tank from the opening being gradually increased in a developer carrying direction of the developer carrier member. | 02-09-2012 |
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| 20110123708 | MANUFACTURING METHOD FOR A LAMINATED BODY - A method for producing a layered article having a layer of particles stacked on a substrate, including the following steps: (1): preparing a mixed particle dispersion liquid by dispersing, in a liquid dispersion medium, inorganic particle chains (A) in a volume fraction of from 0.30 to 0.84, each of the chains being composed of three or more particles with a particle diameter of from 10 to 60 nm attached to each other in a chain form, inorganic particles (B) having an average particle diameter of from 1 to 20 nm in a volume fraction of from 0.10 to 0.45, and particles (C) having an average particle diameter Dc of larger than 20 nm in a volume fraction of from 0.06 to 0.25, (2): applying the mixed particle dispersion liquid onto the substrate, and (3): removing the liquid dispersion medium from the mixed particle dispersion liquid applied, thereby forming, on the substrate, the particle layer having a thickness of D that satisfies 0.5D≦Dc≦D. | 05-26-2011 |
| 20110292568 | ELECTRODE FILM, ELECTRODE, METHOD FOR MANUFACTURING THE ELECTRODE, AND ELECTRICAL STORAGE DEVICE - Provided is an electrode film comprising an active material having an average particle diameter being equal to or more than 2 μm and equal to or less than 50 μm and inorganic particles containing a conductive ion and having an average diameter being equal to or more than 1 nm and less than 2 μm, wherein the active material is bound by the inorganic particles, and an electrode in which the electrode film is stacked on a current collector is also provided. In addition, an electric storage device, comprising the above-mentioned electrode, in which two electrodes are arranged so that their electrode films may be opposed to each other, the electrode films are wound or stacked with a separator interposed between the electrode films, and the electrodes and the separator are enclosed together with an electrolyte solution in a metal container is provided. | 12-01-2011 |
| 20120114518 | Method for Producing Inorganic Particle Composite Body - A method for producing an inorganic particle composite body formed of a mixture of a plastically deformable metal, and inorganic particles that do not plastically deform under a condition under which the metal plastically deforms, wherein the method comprises: a step of preparing an inorganic particles structural body that is formed of a mixture of the metal and the inorganic particles and that contains a vacant space therein, and a step of plastically deforming the metal in the structural body. | 05-10-2012 |
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| 20090047492 | MULTILAYER STRUCTURE AND PROCESS FOR PRODUCING A MULTILAYER STRUCTURE - Disclosed is a multilayer structure including a first layer and a second layer adjacent to the first layer, wherein the first layer is formed of a first material comprising a first inorganic laminar compound and a second layer is formed of a second material comprising a second inorganic laminar compound with a volume fraction greater than the volume fraction of the first inorganic laminar compound in the first layer. The multilayer structure may includes a substrate layer. A method for producing the multilayer structure is also disclosed. | 02-19-2009 |
| 20090274843 | METHODS FOR PRODUCING RESIN FILM AND LAYERED ARTICLE - Methods for producing a resin film or a layered article which are excellent in gas barrier properties under high humidity conditions are disclosed. In the methods, a precursor film of a resin composition composed of alkali metal ions and a resin component having both hydroxyl groups and carboxyl groups is subjected to treatments including (i) dry heating treatment of holding the precursor film under an atmosphere characterized by a temperature not lower than 100° C. and a water vapor concentration less than 50 g/m | 11-05-2009 |
| 20100026939 | POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - Provided are a polarizer containing a polarizing film having two surfaces opposing each other and one protective film layer, wherein the polarizing film has a resin film with dichroic dye molecules adsorbed on the resin film with uniaxial orientation, wherein the protective film layer is disposed on or over one of the surfaces of the polarizing film, and wherein the polarizer further has, on or over at least one of the surfaces of the polarizing film, an inorganic particle layer containing inorganic particles, and a polarizer having a polarizing film having two surfaces opposing each other and two protective film layers, wherein the polarizing film has a resin film with dichroic dye molecules adsorbed on the resin film with uniaxial orientation, wherein one of the protective film layers is disposed on or over one of the surfaces of the polarizing film and the other protective film layer is disposed on or over the other surface of the polarizing film, and wherein the polarizer further has, on or over at least one of the surfaces of the polarizing film, an inorganic particle layer containing inorganic particles. Furthermore, a liquid crystal display device composed of a combination of the polarizers and a liquid crystal cell is provided. | 02-04-2010 |
| 20100175822 | METHODS FOR PRODUCING CARBON PARTICLE FILM, LAMINATED ELECTRODE, AND ELECTRIC DOUBLE LAYER CAPACITOR - Provided is a method for producing a film comprising inorganic particles and carbon particles bound together with the inorganic particles, the method comprising a step of compressing a film composed of a mixture comprising carbon particles and inorganic particles at a temperature which is not higher than the melting point of the carbon particles and not higher than the melting point of the inorganic particles to increase the bulk density of the mixture. Moreover, a method for producing a laminated electrode and a method for producing an electric double layer capacitor, both using the foregoing method, are provided. | 07-15-2010 |
| 20100183802 | METHODS FOR PRODUCING SOLID PARTICULATE DISPERSION LIQUID, ELECTRODE, AND ELECTRIC DOUBLE LAYER CAPACITOR - Disclosed is a method for producing a dispersion liquid of solid particulates, the method comprising subjecting a mixture liquid comprising charged particles, solid particles greater in average particle diameter than the charged particles, and a liquid medium to pulverization. Moreover, a method for producing an electrode and a method for producing an electric double layer capacitor using the aforementioned method. | 07-22-2010 |
| 20110058309 | ELECTRODE FILM CONTAINING IONIC LIQUID, ELECTRODE, THEIR PRODUCTION METHODS, AND ELECTRIC ENERGY STORAGE DEVICE - The electrode film of the present invention includes electrode material particles having an average particle diameter of Da, solid particles having an average particle diameter of Db, and an ionic liquid, wherein Da and Db satisfy a formula Db/Da≦1.0×10 | 03-10-2011 |
| 20110123708 | MANUFACTURING METHOD FOR A LAMINATED BODY - A method for producing a layered article having a layer of particles stacked on a substrate, including the following steps: (1): preparing a mixed particle dispersion liquid by dispersing, in a liquid dispersion medium, inorganic particle chains (A) in a volume fraction of from 0.30 to 0.84, each of the chains being composed of three or more particles with a particle diameter of from 10 to 60 nm attached to each other in a chain form, inorganic particles (B) having an average particle diameter of from 1 to 20 nm in a volume fraction of from 0.10 to 0.45, and particles (C) having an average particle diameter Dc of larger than 20 nm in a volume fraction of from 0.06 to 0.25, (2): applying the mixed particle dispersion liquid onto the substrate, and (3): removing the liquid dispersion medium from the mixed particle dispersion liquid applied, thereby forming, on the substrate, the particle layer having a thickness of D that satisfies 0.5D≦Dc≦D. | 05-26-2011 |
| 20110292568 | ELECTRODE FILM, ELECTRODE, METHOD FOR MANUFACTURING THE ELECTRODE, AND ELECTRICAL STORAGE DEVICE - Provided is an electrode film comprising an active material having an average particle diameter being equal to or more than 2 μm and equal to or less than 50 μm and inorganic particles containing a conductive ion and having an average diameter being equal to or more than 1 nm and less than 2 μm, wherein the active material is bound by the inorganic particles, and an electrode in which the electrode film is stacked on a current collector is also provided. In addition, an electric storage device, comprising the above-mentioned electrode, in which two electrodes are arranged so that their electrode films may be opposed to each other, the electrode films are wound or stacked with a separator interposed between the electrode films, and the electrodes and the separator are enclosed together with an electrolyte solution in a metal container is provided. | 12-01-2011 |
| 20120164413 | Inorganic Particle Composite Body and Method for Producing Inorganic Particle Composite Body - There is provided an inorganic particle composite body comprising a layer of a substrate formed of a plastically deformable solid material and an inorganic particle layer that is composed of inorganic particles that do not plastically deform under a condition under which the solid material plastically deforms, that contains gaps defined by the inorganic particles, and that adjoins the layer of the substrate, wherein part of the solid material is in at least part of the gaps in the inorganic particle layer. This inorganic particle composite body is produced by a method including a preparation step of preparing an inorganic particle structural body comprising a layer of a substrate formed of a plastically deformable solid material and an inorganic particle layer that is composed of inorganic particles that do not plastically deform under a condition under which the solid material plastically deforms, that contains gaps defined by the inorganic particles, and that adjoins the layer of the substrate; and a filling step of plastically deforming at least part of the solid material contained in the inorganic particle structural body, thereby filling at least part of the gaps in the inorganic particle layer with part of the plastically deformed solid material. | 06-28-2012 |
