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| Number | Title | Issue Date |
| 7378210 | Electrophotographic toner and manufacturing method thereof, polyester resin for electrophotographic toner and manufacturing method thereof, electrophotographic developer and image forming method The present invention provides a binder resin that is used for an electrophotographic toner, an electrophotographic toner using the same, and a manufacturing method thereof, as well as an electrophotographic developer and an image forming method. The binder resin in... | 05/27/2008 |
| 7371490 | Photoconductor, image forming apparatus, image forming process, and process cartridge The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged life. In order attain the object, a photoconductor is provided that comprises a charge generating... | 05/13/2008 |
| 7364826 | Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to 140, the volume average particle size of the toner is within the ran... | 04/29/2008 |
| 7358020 | Image forming apparatus and image forming method An image forming apparatus for enabling an image forming which is stable for a long time, by using a charging method in which the amount of generated ozone or nitrogen oxides is reduced and consumed electric power is low. An image forming method includes: a charging... | 04/15/2008 |
| 7355816 | Load/unload ramps and their compositions Compositions and materials for use in load/unload ramps in magnetic disk drive assemblies are disclosed, particularly compositions or materials to improve at least one of the desired characteristics of low wear, low cost, high mechanical stability and high moldabili... | 04/08/2008 |
| 7348058 | Electrically conductive roll An inexpensive electrically conductive roll which is easily produced compared with conventional rolls, offers stable adhesion at the interface with time lapse after mixing adhesive components, which is not affected by environment during storage of the core after bei... | 03/25/2008 |
| 7338739 | Crosslinked siloxane composite overcoat for photoreceptors A crosslinked siloxane composite overcoat for electrophotographic photoreceptors, containing at least one siloxane-containing compound, a resin and metal oxide particles; photoreceptors containing the crosslinked siloxane composite overcoat; and image process cartri... | 03/04/2008 |
| 7340208 | Method and apparatus for electrostatographic printing with generic color profiles and inverse masks based on receiver member characteristics A color electrostatographic printer apparatus applies respective color separation toner images to a receiver member to form a color image. A fuser assembly fuses the color image. A clear toner overcoat is then applied to the fused color toner image using a generic i... | 03/04/2008 |
| 7332257 | Composition for optical film, and optical film A composition for an optical film comprising a stabilized cyanine dye and a quencher compound, wherein the stabilized cyanine dye comprises a cation and a quencher anion, and the cation is selected from the group consisting of compounds of the following formulae (I)... | 02/19/2008 |
| 7332256 | Image forming method and image forming apparatus An image forming method includes: forming an electrostatic latent image after charging an organic photoconductor; and developing the electrostatic latent image into a toner image by bringing a developer containing toner and a carrier having a weight average particle... | 02/19/2008 |
| 7320850 | Magenta toner A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powde... | 01/22/2008 |
| 7309731 | Ink-receptive coatings, composites and adhesive-containing facestocks and labels This invention relates to ink-receptive coating compositions and to articles containing a layer formed from such coating compositions. In one embodiment, the articles comprise a polymer film substrate and an ink-receptive layer on the upper surface of the polymer fi... | 12/18/2007 |
| 7303847 | Dry toner A dry toner is provided that is prepared by a method including the steps of (A) dissolving or dispersing a toner composition in an organic solvent to prepare a toner composition liquid and (B) dispersing the toner composition liquid in an aqueous liquid which contai... | 12/04/2007 |
| 7300737 | Process for producing toner The present invention provides a toner that exhibits excellent low-temperature fixing properties, offset resistance, and has excellent storage stability in a developing machine. The toner has, in a DSC curve obtained by measuring the toner with differential scanning... | 11/27/2007 |
| 7300735 | Electrophotographic toner and production method therefor An electrophotographic toner contains a resin, a colorant and a releasing agent. The releasing agent has a solidifying point of from 79° C. to 109° C., and one peak in an endothermic curve measured by a differential scanning calorimeter. A difference between tempe... | 11/27/2007 |
| 7295788 | Image forming apparatus and process cartridge An image forming apparatus includes an object to be charged whose surface moves. A charging device for charging the object uses an electrical discharge generated by applying a voltage including an alternating current component to a charging member provided in contac... | 11/13/2007 |
| 7291436 | Electrophotographic toner, method for producing the same, electrophotographic developer, and image forming method An electrophotographic toner having a core-shell structure including a crystalline resin in its core region or a sea-island structure including a crystalline resin in its island region, wherein the toner has 1) a resistance of 5.0×1012 Ω·cm or higher, ... | 11/06/2007 |
| 7288354 | Toner A toner is composed of toner particles including toner base particles containing at least a binder resin and a colorant, and inorganic fine particles. The toner base particles having a specific circle-equivalent diameter as measured with a flow type particle image a... | 10/30/2007 |
| 7286781 | Developer, image forming method and image forming apparatus A toner for developing a latent image includes, at least, a binder resin, a releasing agent, a coloring agent and a fluidizing agent. A melting point Tw of the releasing agent is higher than or equals to a softening temperature Ts of the developer measured by a capi... | 10/23/2007 |
| 7286779 | Apparatus for suppressing deformations in a belt of an image forming device A scale is provided on a back side edge of an intermediate transfer belt for detecting an amount of movement of the belt. In a tandem type image forming apparatus, a sensor is provided as a scale-reading unit that reads the scale. Materials used for the intermediate... | 10/23/2007 |
| 7286682 | Show-through watermarking of duplex printed documents A printing apparatus and method for duplex printing a document having a show-through watermark wherein the watermark is comprised of first and second images on both sides of the document. The images comprise stoclustic halftone screens having a substantially common ... | 10/23/2007 |
| 7279506 | Ink jettable overprint compositions Ink jettable, radiation curable overprint compositions containing at least one radiation curable oligomer/monomer, at least one photoinitiator, and at least one surfactant are disclosed. The overprint compositions are particularly well-suited for protecting ink-base... | 10/09/2007 |
| 7273687 | Toner fuser member having release layer formed from glycidyl end-capped polymer and perfluoroalkyl glycidyl-reactive compound A toner fuser member has a substrate, on which is formed a toner release surface layer from a composition that includes: about 95 wt. % to about 99.9 wt. % of a cross-linked, glycidyl end-capped bisphenolic polymer having the formula | 09/25/2007 |
| 7273688 | Image forming method and image forming apparatus for same An electrophotographic image forming apparatus capable of reliably forming an image with density gradation, one which does not have a low-quality appearance. The estimated average halftone granularity of the toner image after developing but before electrostatic tran... | 09/25/2007 |
| 7267920 | Toner for developing electrostatic latent images, production method thereof, and electrostatic latent image developer using the same The present invention provides a toner for developing an electrostatic latent image comprising of: toner particles containing at least a binder resin, a colorant and a releasing agent; wherein a volume-average particle diameter of the toner particles is in a range o... | 09/11/2007 |
| 7267916 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes a particulate fluorine-containing... | 09/11/2007 |
| 7264911 | Image forming apparatus and image forming method The invention provides an image-forming apparatus equipped with a toner container containing toner particles and an endless belt circulating in contact with image carriers carrying electrostatic latent images. The image-forming apparatus forms a toner image on a rec... | 09/04/2007 |
| 7264867 | Extruded toner receiver layer for electrophotography The invention relates to a receiver sheet for electrophotography comprising a base material having thereon at least one toner receiver layer comprising a mixture of polyolefin and at least one member selected from the group consisting of polyolefin copolymers, amide... | 09/04/2007 |
| 7257346 | Fusing roller regenerating apparatus in image forming apparatus and method thereof A fusing roller regenerating apparatus of a fusing device in an image forming apparatus includes a coating unit coating a fusing roller using a dip coating method to form a regenerated coating layer to a predetermined thickness, and a heating unit including a heatin... | 08/14/2007 |
| 7252914 | Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image A toner for electrophotography fulfilling both the fixability and the void resistance at high level, and forms a high-quality image. The toner for electrophotography contains: a binder resin; and a wax component which contains: a first wax having an endothermic peak... | 08/07/2007 |
| 7254351 | Method and apparatus for reducing sheet material curl induced in a fusing operation A fuser assembly within an image forming apparatus having a paper path along which substrates travel through the image forming apparatus including a heating member and a backup member cooperating with the heating member to form a nip therebetween for fusing images o... | 08/07/2007 |
| 7250962 | Recording sheet and image recording method using the same A recording sheet including a cellulose pulp, wherein a water retention value C of the sheet according to the following formula (1) is 50 to 100% and a wet tensile strength residual ratio R of the sheet in CD according to the following formula (2) is 5 to 20%: | 07/31/2007 |
| 7250241 | Toner and process for producing toner The present invention provides a toner that exhibits excellent low-temperature fixing properties, offset resistance, and has excellent storage stability in a developing machine. The toner has, in a DSC curve obtained by measuring the toner with differential scanning... | 07/31/2007 |
| 7250239 | Yellow toner for flash fixation, and electrophotographic developer and image forming method using the same The present invention discloses a yellow toner for flash fixation, comprising an infrared absorbent, one or more yellow colorants, and a binder resin, wherein a* of the infrared absorbent in an CIELAB color space is less than 0, and a* of one or more of the yellow c... | 07/31/2007 |
| 7244488 | Electrophotographic transfer paper An electrophotographic transfer paper has a substrate and a thermoplastic foamed resin layer which is provided on at least one surface of the substrate and has pores. In the electrophotographic transfer paper, the temperature at which the viscosity of the thermoplas... | 07/17/2007 |
| 7241546 | Toner, and image forming method A toner includes toner particles containing at least a binder resin and a colorant, and inorganic fine particles. The shape factor SF-1 of the toner particles is in a specific range. The toner has a storage elastic modulus at 140° C., G′ (140° C.), in a specific... | 07/10/2007 |
| 7239840 | Fixing member by heating and fixing device in image forming apparatus A heat fixing member according to the invention has a surface layer formed on the surface of the substrate with a three-layer structure of a primer layer, an middle layer, and a topcoat layer. The binder-resin content decreases in order from the primer layer to the ... | 07/03/2007 |
| 7235338 | Toner and image forming method and process cartridge for image forming apparatus using the toner A toner prepared by a method of dissolving or dispersing toner constituents comprising a modified resin capable of reacting with an active hydrogen and a colorant which is a black metallic material to prepare a solution or a dispersion; and reacting the solution or ... | 06/26/2007 |
| 7232632 | Color toners and image forming method using the color toners A method for forming a full color image including: forming at least yellow, magenta and cyan color toner images on a receiving material to form a full color image thereon; and fixing the full color image upon application of heat thereto while not contacting the full... | 06/19/2007 |
| 7233762 | Method of uniformly fixing toner to recording medium in image forming apparatus An unfixed toner image on a transferring and fixing belt is passed through a pair of toner integrating rollers. A surface side of the toner integrated that is in contact with a paper, is heated by a halogen heater to impart a tackiness required for fixing. As a resu... | 06/19/2007 |
