Patent application number | Description | Published |
20090123660 | Method for manufacturing magnetic recording medium - Embodiments of the present invention provide a manufacturing method that can form a track guide separation area of a magnetic disk substrate constituting a patterned medium represented by a discrete track medium or bit patterned medium suitable for high recording density, uniformly on the whole surface of the magnetic disk substrate, and accurately according to the mask. According to one embodiment, a soft magnetic film, an under coating film, and a magnetic film are formed on a substrate. A mask having an arbitrary pattern shape provided for forming the track guide separation area in the magnetic film is formed on the magnetic film, and the track guide separation area is formed by irradiating ions and electrons onto the surface of the magnetic film and applying an intermittent voltage to the substrate, thereby non-magnetizing the area irradiated. | 05-14-2009 |
20090213497 | Magnetic recording medium and manufacturing method thereof - Embodiments of the present invention provide recording area separated magnetic recording media (DTMs, BPMs) allowing magnetic heads to fly lower. According to one embodiment, the recording area separated magnetic recording media are configured so that magnetic recording layers have parts with the relatively higher element ratio of a ferromagnetic material, and parts with the lower element ratio of the ferromagnetic material, occurring periodically in the in-plane direction, and the average height from the substrate surface of the parts with the relatively higher element ratio of a ferromagnetic material is higher than the average height from the substrate surface of the parts with the lower element ratio of the ferromagnetic material. In producing recording area separated magnetic recording media with the element ratio of a ferromagnetic material relatively lowered by ion implantation, preliminarily etching the part to be ion implanted makes the height after ion implantation relatively lower than the non-implanted part. | 08-27-2009 |
20090214895 | Magnetic recording medium and manufacturing method thereof - Embodiments of the present invention produce discrete track media and bit patterned media having both excellent read/write performance and reliability. According to one embodiment, the medium comprises a magnetic layers formed by at least two ferromagnetic alloy layers with different compositions on a substrate. The ferromagnetic alloy layer located closest to the medium surface has more concentrated parts and less concentrated parts of nonmagnetic element in the in-plane direction. The more concentrated parts of the nonmagnetic element contain more nonmagnetic elements than the other parts except for an intermediate layer in the magnetic recording layer. The more concentrated parts and the less concentrated parts of the nonmagnetic element in the ferromagnetic alloy layer located closest to the medium surface are formed substantially concentric. The more concentrated parts of the nonmagnetic element is formed by being doped with ions of nonmagnetic element. | 08-27-2009 |
20090214898 | MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF - Embodiments of the present invention help to produce discrete track media and bit patterned media having both excellent recording and reproducing performance and reliability. According to one embodiment, a manufacturing method forms a nonmagnetic layer mainly composed of the same element as a nonmagnetic element contained in magnetic recording layers and on the magnetic recording layers and a mask layer having apertures for forming more concentrated parts of the nonmagnetic element in the magnetic recording layers on the nonmagnetic layer. The method implants ions of the nonmagnetic element through the nonmagnetic layer masked by the mask layer to form the more concentrated parts of the nonmagnetic element in the magnetic recording layer. | 08-27-2009 |
Patent application number | Description | Published |
20120222742 | COMPOUND THIN FILM SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A compound thin film solar cell of an embodiment includes: as a light-absorbing layer a semiconductor thin film which contains Cu, an element A (A is at least one element selected from a group consisting of Al, In and Ga) and Te, and has a chalcopyrite crystal structure, wherein a buffer layer that forms an interface with the light-absorbing layer is a compound which contains at least one element selected from Cd, Zn and a group consisting of In and Ga and at least one element selected from a group consisting of S, Se and Te, and has any crystal structure of a sphalerite structure, a wurtzite structure and a defect spinel structure, and a lattice constant “a” of the buffer layer with the sphalerite structure or a lattice constant “a” of the buffer layer at the time of converting the wurtzite structure or the defect spinel structure to the sphalerite structure is not smaller than 0.59 nm and not larger than 0.62 nm. | 09-06-2012 |
20140053902 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A photoelectric conversion element of an embodiment includes a p-type light absorbing layer containing Cu, at least one or more Group IIIb elements selected from the group including Al, In and Ga, and at least one or more elements selected from the group including O, S, Se and Te; and an n-type semiconductor layer formed on the p-type light absorbing layer and represented by any one of Zn | 02-27-2014 |
20140053903 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A photoelectric conversion element of an embodiment includes: a light absorbing layer containing copper (Cu), at least one Group IIIb element selected from the group including aluminum (Al), indium (In) and gallium (Ga), and sulfur (S) or selenium (Se), and having a chalcopyrite structure; and a buffer layer formed from zinc (Zn) and oxygen (O) or sulfur (S), wherein the molar ratio represented by S/(S+O) of the buffer layer is equal to or greater than 0.7 and equal to or less than 1.0, and the crystal grain size is equal to or greater than 10 nm and equal to or less than 100 nm. | 02-27-2014 |
20140053904 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A photoelectric conversion element of an embodiment includes: a light absorbing layer containing Cu, at least one Group IIIb element selected from the group including Al, In and Ga, and S or Se, and having a chalcopyrite structure; and a buffer layer formed from Zn and O or S, in which the ratio S/(S+O) in the area extending in the buffer layer up to 10 nm from the interface between the light absorbing layer and the buffer layer, is equal to or greater than 0.7 and equal to or less than 1.0. | 02-27-2014 |
20140083496 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A photoelectric conversion element includes a photoelectric conversion layer, a transparent electrode, an intermediate layer, and a window layer. The photoelectric conversion layer includes a homojunction of a p-type compound semiconductor layer and an n-type compound semiconductor layer. The p-type and n-type compound semiconductors include group I-III-VI | 03-27-2014 |
20140144502 | PHOTOELECTRIC CONVERSION ELEMENT, METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT, AND SOLAR CELL - A photoelectric conversion element of an embodiment includes: a back electrode; a heterojunction-type light absorbing layer on the back electrode, containing Cu, selected from Al, In and Ga, and selected from Se and S, and having a chalcopyrite structure; a transparent electrode on the light absorbing layer, wherein aback electrode side-part of the light absorbing layer is of p-type, and a transparent electrode-side part of the light absorbing layer is of n-type, the light absorbing layer has a part with an average crystal grain size of 1,000 nm to 3,000 nm in the vicinity of the back electrode, and the light absorbing layer has apart with an average crystal grain size of at most 500 nm in the vicinity of the transparent electrode or the light absorbing layer has an amorphous part in the vicinity of the transparent electrode. | 05-29-2014 |
20140144510 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A photoelectric conversion element of an embodiment includes: a p-type light absorbing layer having a chalcopyrite structure; an n-type semiconductor layer on the p-type light absorbing layer; an oxide layer on the n-type semiconductor layer; and a transparent electrode on the oxide layer. | 05-29-2014 |
20140166078 | LIGHT CONCENTRATOR AND A SOLAR CELL - A light concentrator of an embodiment includes: a first high refractive index layer, a first low refractive index layer, and a second high refractive index layer stacked in sequence, wherein a surface on the first low refractive index layer side of the first high refractive index layer has a periodic concavoconvex region. | 06-19-2014 |
20140290727 | SOLAR CELL - A solar cell of an embodiment has a first solar cell, a second solar cell, and an intermediate layer between the first and second solar cells. The first solar cell has a Si layer as a light absorbing layer. The second solar cell has as a light absorbing layer one of a group I-III-VI | 10-02-2014 |
Patent application number | Description | Published |
20090141149 | Image processing apparatus and image processing method - An image processing apparatus includes a gradation correction unit configured to multiply input image data by a gradation correction value appropriate for the input image data so as to obtain gradation corrected image data; and a noise suppression unit configured to suppress noise of the gradation corrected image data on the basis of a noise model of the input image data so as to obtain output image data. The noise suppression unit includes a parameter generator configured to generate a noise suppression parameter in accordance with the gradation corrected image data by using the noise model; a parameter correction unit configured to multiply the noise suppression parameter by the gradation correction value so as to correct the noise suppression parameter; and a low-pass filter configured to vary characteristics thereof in accordance with the noise suppression parameter corrected by the parameter correction unit and to suppress noise of the gradation corrected image data. | 06-04-2009 |
20090160992 | IMAGE PICKUP APPARATUS, COLOR NOISE REDUCTION METHOD, AND COLOR NOISE REDUCTION PROGRAM - An image pickup apparatus includes an image sensor including a color filter having pixels of different colors arranged in a predetermined order and a demosaic processor. The image sensor receives a subject image and outputs an image signal including color signals of the different colors. The demosaic processor generates color signals of the different colors for each of pixels of the image from the image signal. The demosaic processor includes a generation unit and a noise reduction unit. The generation unit performs computation using a target color signal representing a predetermined target color signal included in the image signal and a predetermined different color signal so as to generate a color-related signal that associates the target color signal with the predetermined different color signal for a pixel of the target color signal. The noise reduction unit performs a noise reduction process on the color-related signal generated by the generation unit. | 06-25-2009 |
20100177200 | IMAGE PROCESSING APPARATUS AND METHOD, RECORDING MEDIUM, AND PROGRAM - The present invention relates to an image processing apparatus and method enabling to correct for camera shake given in image capturing, a recording medium, and a program. Discrete data pieces indicating shifts are obtained. The discrete data pieces are interpolated to obtain data indicating a shift every line. By the interpolation, a correction is calculated every line on the basis of the corresponding shift. On the basis of the corrections, pixel data read positions are determined. Pixel data is read based on the determined read positions. When a pixel to be read overlaps two pixels, pixel data of the pixel to be read is produced (interpolated) from pixel data pieces. In this manner, the effects of camera shake are corrected. The present invention is applicable to video cameras. | 07-15-2010 |
20110157305 | Image processing apparatus, image capturing apparatus, image processing method, and program - An image processing apparatus includes: an image synthesis unit generating a synthesized image by inputting images photographed at different positions and connecting strip areas cut from the images. The image synthesis unit generates a left-eye synthesized image applied to display a 3-dimensional image by connecting and synthesizing left-eye image strips set in the images and generates a right-eye synthesized image applied to display a 3-dimensional image by connecting and synthesizing right-eye image strips set in the images. The image synthesis unit performs a process of setting the left-eye image strip and the right-eye image strip in an allowable range of set positions of the left-eye image strip and the right-eye image strip used to generate the left-eye synthesized image and the right-eye synthesized image, which are at different observing points, applicable to display the 3-dimensional images by acquiring the allowable range from a memory or calculating the allowable range. | 06-30-2011 |
20110193941 | IMAGE PROCESSING APPARATUS, IMAGING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing apparatus includes an image evaluation unit evaluating properness of synthesized images as the 3-dimensional images. The image evaluation unit performs the process of evaluating the properness through analysis of a block correspondence difference vector calculated by subtracting a global motion vector indicating movement of an entire image from a block motion vector which is a motion vector of a block unit of the synthesized images, compares a predetermined threshold value to one of a block area of a block having the block correspondence difference vector and a movement amount additional value, and performs a process of determining that the synthesized images are not proper as the 3-dimensional images, when the block area is equal to or greater than a predetermined area threshold value or when the movement amount addition value is equal to or greater than a predetermined movement amount threshold value. | 08-11-2011 |
20120162193 | METHOD AND APPARATUS FOR MULTIVIEW IMAGE GENERATION USING DEPTH MAP INFORMATION - A method and apparatus for multiview image generation using depth map information is described. In one embodiment, a computer-implemented method comprises converting a input image and an input depth map into a projected image and a projected depth map using values from physical pixel locations that map to projected pixel locations, wherein the projected image and the projected depth map are associated with a particular view of the input image, inpainting the projected image and the projected depth map and producing an output image in a direction of the particular view using the inpainted projected image and the inpainted projected depth map. | 06-28-2012 |
20120275711 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM - There is provided an image processing device including a feature point detection unit configured to detect feature points from an image, a reliability computation unit configured to compute reliability of each of the detected feature points, and a removal processing unit configured to remove some of the detected feature points on the basis of the reliability so that the number of the remaining feature points in each split region that is obtained by splitting the image into a plurality of regions is within a restricted number of feature points. | 11-01-2012 |
20120275712 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM - There is provided an image processing device including a feature point detection processing unit configured to detect a feature point from an image, and a feature quantity generation processing unit configured to compare a pixel difference value of two pixels in an image region having a position of the detected feature point as a reference with a threshold and generate binary information indicating a result of comparison as a component of feature quantities corresponding to the feature point. | 11-01-2012 |
20130155205 | IMAGE PROCESSING DEVICE, IMAGING DEVICE, AND IMAGE PROCESSING METHOD AND PROGRAM - In the configuration in which a two-dimensional panoramic image or images used for displaying a three-dimensional image are generated by connecting stripped areas cut out from a plurality of images, a composition image that can be generated is determined based on the movement of the camera, and the determined composition image is generated. In the configuration in which a two-dimensional panoramic image or left-eye and right-eye images used for a three-dimensional image are generated by connecting stripped areas cut out from a plurality of images, it is determined whether or not a two-dimensional panoramic image or a three-dimensional image can be generated by analyzing the movement of an imaging apparatus at the time of capturing images, and a composition image that can be generated is generated. | 06-20-2013 |
20130162786 | IMAGE PROCESSING APPARATUS, IMAGING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An apparatus and method that generate left-eye and right-eye composition images to display a three-dimensional image maintaining base line length to be substantially constant by connecting stripped areas cut out from plural images. An image composing unit is configured to generate a respective left-eye composition image and right-eye composition image to display respective three-dimensional images by connecting and composing left-eye image strips and right-eye image strips set in each of captured images. The image composing unit performs a setting process of the left-eye and right-eye image strips by changing an amount of offset, which is an inter-strip distance between the left-eye and right-eye image strips, in accordance with image capturing conditions to maintain a base line length corresponding to a distance between capturing positions of the left-eye and right-eye composition images to be substantially constant. | 06-27-2013 |
Patent application number | Description | Published |
20080199210 | Developing device - A developing device comprises: a housing that stores developer; a developing roll that is rotatably supported in the housing and has a developing region with a roughened surface that supplies developer to an image region of an image holding member; a step portion that is formed at both sides of the developing region of the developing roll and whose diameter is smaller than that of the developing region; and a seal member that contacts a region of the step portion that is opposite to the image holding member. | 08-21-2008 |
20110222878 | DEVELOPING DEVICE AND IMAGE FORMING DEVICE - A developing device includes: a plurality of developer retaining bodies that retain developer and rotate, and that respectively convey the developer, which is supplied to each of the developer retaining bodies from a developer supply section, to an image bearing body that rotates and bears a latent image; and a speed changing unit that is adapted to change a rotation speed of at least one of the developer retaining bodies excluding a developer retaining body that is furthest downstream side in a direction of rotation of the image bearing body. | 09-15-2011 |
20110229214 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes: a first developer holding body with a first cylinder member disposed facing the outer peripheral surface of a rotating latent image holding body, and a first magnet disposed at the inside of the first cylinder member; a second developer holding body with a second cylinder member disposed facing the outer peripheral surface of the latent image holding body, further downstream in the latent image holding body rotation direction than the first developer holding body, and a second magnet disposed at the inside of the second cylinder member; and an adjustment mechanism that adjusts the relative position of the first magnet to the second magnet in a circumferential direction. | 09-22-2011 |
20120039637 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes: a developing member including a magnetism-generating member having plural magnetic poles polarized in a circumferential-direction thereof, and a rotating member that is rotated about the magnetism-generating member; a developer-pumping pole provided in the magnetism-generating member, and that pumps up the developer, which is supplied from a developer accommodating portion, to the rotating member surface; a developer-peeling-off pole provided in the magnetism-generating member below a rotation axis of the rotating member in a vertical direction on an upstream side of the developer-pumping pole in a rotational-direction of the rotating member, that peels off the developer from the rotating member surface; and a magnetic body provided in at least a portion between a facing position facing the developer-peeling-off pole in a circumferential-direction of the rotating member and an intermediate position between the developer-peeling-off pole and the developer-pumping pole in the circumferential direction, facing the rotating member surface. | 02-16-2012 |
20120230737 | DEVELOPING DEVICE, VISIBLE IMAGE FORMING DEVICE, AND IMAGE FORMING APPARATUS - A developing device includes a developer container; a developer holding body including a magnet member and a substantially cylindrical member; a transport member including a rotating shaft and a substantially spiral transport blade; a layer-thickness regulating member; and an interrupting member that is arranged between the developer holding body and the transport member, that intersects with a first virtual plane passing through a facing position between the regulating member and the developer holding body and being adjacent to a rotation locus of a radial-direction outer edge of the transport blade at a position at which a speed in a circumferential direction of the transport blade has a speed component toward the regulating member, and a second virtual plane passing through rotation centers of the developer holding body and transport member, and that interrupts movement of the developer pushed and moving in the radial direction of the transport blade. | 09-13-2012 |
20120251189 | IMAGE FORMING APPARATUS - An image forming apparatus includes a rotating image carrier, a charging device, a latent image forming device, a developing device having a developer holder and developing a latent image as a visible image, a voltage application unit that generates a potential difference between the image carrier and the developer holder to form an electric field, by which toner is directed toward the latent image, in a developing region, and a transfer device that transfers the visible image of the image carrier to a medium, wherein the developer holder having a concavo-convex portion having a convex portion and a concave portion is provided in an outer surface thereof and formed such that the volume resistivity of a portion corresponding to the convex portion is set to be larger than the volume resistivity of a portion corresponding to the concave portion. | 10-04-2012 |
20130230341 | DEVELOPING DEVICE AND IMAGE-FORMING APPARATUS - A developing device includes a developer-carrying member and a developer control member, a supply member, and a rotating member that are disposed opposite the developer-carrying member. The developer-carrying member accommodates a magnetic source that generates a magnetic force for carrying a developer containing magnetic particles on an outer surface thereof. The developer control member controls the thickness of a layer of the developer carried on the outer surface of the developer-carrying member. The supply member rotates to transport the developer in a rotation axis direction thereof and to supply the developer to the developer-carrying member. The rotating member is disposed at a position where the rotating member is submerged in the developer between the developer control member and the supply member and rotates to supply the developer from between the developer control member and the supply member to the supply member. | 09-05-2013 |
20130236215 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a housing accommodating a developer containing a toner and a magnetic carrier; first and second developing members facing an image bearing member and having substantially-cylindrical first and second rotatable sleeves and first and second magnet rollers supported therein and having magnetic poles; a supply member supplying the developer onto the first sleeve; a layer regulating member facing the first sleeve and regulating a layer of the developer; and an electrode member facing the second sleeve with a distance therebetween and disposed upstream, in the second-sleeve rotational direction, of where the second sleeve receives the developer from the first sleeve and downstream of where the second developing member faces the image bearing member. An electric field removing the toner from the second sleeve or causing the toner on the carrier to adhere onto the second sleeve is generated between the electrode member and the second sleeve. | 09-12-2013 |
20140193176 | DEVELOPER-AGITATING TRANSPORTER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS - A developer-agitating transporter includes helical blades that helically extend around a rotation shaft, the helical blades being arranged at different positions in a direction perpendicular to a longitudinal direction of the rotation shaft; and a gap portion that divides each helical blade into a first blade portion and a second blade portion, which oppose each other across the gap portion, so that the helical blade is discontinuous in a direction in which the helical blade extends. The gap portion causes the first blade portion and the second blade portion to be arranged at a certain angular interval in a circumferential direction of the rotation shaft, and at least one surface of adjacent ones of the helical blades that are adjacent in the circumferential direction of the rotation shaft has a sloped area that is sloped at an angle that changes with respect to an axial direction of the rotation shaft. | 07-10-2014 |
20140235415 | TRANSPORTING MEMBER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS - A transporting member includes multiple helical blades that helically extend around a rotation shaft and that have an upstream-side blade and a downstream-side blade, an end portion of the upstream-side blade and an end portion of the downstream-side blade overlapping in a direction perpendicular to an axial direction of the rotation shaft, the multiple helical blades transporting an object in the axial direction via rotation of the rotation shaft; a gap portion that divides the upstream-side blade and the downstream-side blade, the upstream-side blade and the downstream-side blade being arranged at a certain angular interval in a circumferential direction of the rotation shaft; and a regulating portion that regulates an amount of the object that passes through a space between the upstream-side blade and the downstream-side blade in a direction in which the object is transported. | 08-21-2014 |
20140286681 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a sleeve and a magnet roller having first and second magnetic poles, the second magnetic pole being disposed downstream of the first magnetic pole. A magnetic attraction distribution on the sleeve in a region from the first magnetic pole to the second magnetic pole is such that the magnetic attraction decreases from a position of the first magnetic pole toward the downstream side, a gradient of change in the magnetic attraction decreases in a region downstream of a region in which a gradient of reduction in the magnetic attraction temporarily increases, thereby forming an attraction reduction region in which the magnetic attraction is reduced so that developer cannot be held on the sleeve, and the gradient of change in the magnetic attraction increases in a region downstream of the attraction reduction region so that the magnetic attraction increases to a position of the second magnetic pole. | 09-25-2014 |
Patent application number | Description | Published |
20090236558 | MAGNETIC POLYMER PARTICLE FOR DEVELOPING MAGNETIC LATENT IMAGE, METHOD OF PRODUCING THE SAME, LIQUID DEVELOPER FOR MAGNETIC LATENT IMAGE, CARTRIDGE, AND IMAGE FORMING DEVICE - A magnetic polymer particle develops a magnetic latent image. The magnetic polymer particle includes a magnetic component, a polymer, and a colorant. The magnetic component is a magnetic particle containing iron having a number average particle diameter of from about 0.2 μm to about 1.2 μm. The magnetic particle is contained in one magnetic polymer particle in an amount of from 1 to 10 particles. The number average particle diameter of the magnetic polymer particle is from about 2.0 μm to about 7.0 μm. | 09-24-2009 |
20090239174 | FLUORESCENT MAGNETIC POWDER, METHOD OF MANUFACTURING THE SAME, MAGNETIC INK COMPOSITION, MAGNETIC POLYMER PARTICLE, LIQUID DEVELOPER FOR MAGNETIC LATENT IMAGE, CARTRIDGE, AND IMAGE FORMING APPARATUS - Fluorescent magnetic powder in which a fluorescent dye is attached to the particles of magnetic powder is provided. | 09-24-2009 |
20100227982 | INK RECEIVING PARTICLES, METHOD FOR PRODUCING THE SAME, AND CURABLE RESIN DISPERSION COMPOSITION - Ink receiving particles is provided. The ink receiving particles includes polymer particles, the polymer particles including a resin including an acidic group and a polyoxyethylene chain, the acidic group at least partially having a salt structure. | 09-09-2010 |
20100248111 | PARTICLE DISPERSION LIQUID, PARTICLES, PARTICLE DISPERSION LIQUID CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - The present invention provides a particle dispersion liquid including (meth)acrylic resin-containing hydrophobic particles, an acetylene glycol surfactant adsorbed to the hydrophobic particles, and water; the particle size, in a state of being swollen due to absorbing water until saturation, of the hydrophobic particles to which the acetylene glycol surfactant has been adsorbed being 1.1 to 2 times as large as the particle size of the hydrophobic particles in a dried state. | 09-30-2010 |
20100248127 | LIQUID DEVELOPER, METHOD FOR PRODUCING LIQUID DEVELOPER, AND IMAGE FORMING APPARATUS - A liquid developer includes: magnetic polymer particles including a magnetic material containing yttrium iron garnet (YIG), a polymer compound having a carboxylate salt structure, and a colorant; and a dispersion medium in which the magnetic polymer particles are dispersed. | 09-30-2010 |
20120141933 | LIQUID DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - The present invention provides a liquid developer including an insulating carrier liquid and toner particles containing a binder resin, the binder resin including a styrene-based thermoplastic elastomer and a styrene thermoplastic resin, and the toner particles being dispersed in the insulating carrier liquid. | 06-07-2012 |
20120189954 | LIQUID DEVELOPER, DEVELOPER CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - A liquid developer includes: a carrier liquid and toner particles dispersed in the carrier liquid, including a binder resin which contains a thermoplastic resin having repeating units derived from a monomer having a styrene skeleton and repeating units derived from a monomer having an acrylic ester structure, and a thermoplastic elastomer resin that is a block copolymer, the block copolymer having a first block portion including repeating units derived from a monomer having a styrene skeleton, a second block portion including repeating units derived from an alkene having 2 to 6 carbon atoms, and a third block portion including repeating units derived from a monomer having a styrene skeleton and these block portions being bonded in this order. | 07-26-2012 |
20130078568 | LIQUID DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A liquid developer includes: a carrier liquid; and toner particles that are dispersed in the carrier liquid and that includes a styrene-based thermoplastic elastomer, a styrene-based thermoplastic resin, and a quaternary ammonium base-containing polymer having a constituent unit expressed by Chemical Formula I: | 03-28-2013 |
20130196258 | TONER, DEVELOPER, DEVELOPER CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A toner includes a binder resin including an amorphous polyester resin (A), a crystalline polyester resin (B), and a polyurethane thermoplastic elastomer (C). | 08-01-2013 |
20130216943 | TONER, LIQUID DEVELOPER, DRY DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A toner includes a resin having an unsaturated double bond, a thiol compound having a bi- or more-functional thiol group, and a polymerization initiator. | 08-22-2013 |
20130224650 | LIQUID DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A liquid developer contains a carrier liquid, and toner particles containing a binder resin and a pigment surface-treated with a polyallylamine compound as a colorant. | 08-29-2013 |
20140272693 | TONER, LIQUID DEVELOPER, DRY DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A toner includes a crystalline polyester resin having an unsaturated double bond, a thiol compound having a bi- or more-functional thiol group, and a photopolymerization initiator. | 09-18-2014 |