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| Number | Title | Issue Date |
| 7364791 | Developer carrying member and developing method by using thereof The present invention relates to a developer carrying member for carrying a developer having at least a substrate and a resin-coated layer formed on the surface of the substrate. The developer carrying member is the one which carries a one-component developer to vis... | 04/29/2008 |
| 7320852 | Carrier for developer for developing electrostatic latent image, developer using same and image forming method using same A carrier for use with a toner as a two-component type developer for developing an electrostatic image, comprising spherical magnetic core particles, and a resin layer covering each of said core particles and containing at least two resistance controlling materials ... | 01/22/2008 |
| 7314696 | Electrophotographic toner and development process with improved charge to mass stability Toners and developers are disclosed. The toner of the present invention contains at least one toner resin, at least one charge control agent, at least one surface treatment agent, and optionally at least one release agent and/or colorant. The toners of the present i... | 01/01/2008 |
| 7313350 | Developing apparatus and image forming apparatus A developing apparatus develops an electrostatic latent image formed on a photoconductive drum with toner into a toner image. A developing roller has a surface on which a thin layer of toner is formed. The developing roller has a ten-point height of irregularities R... | 12/25/2007 |
| 7289755 | Development apparatus, process cartridge, and image forming apparatus A development apparatus is provided and includes a developer support, a developer-controlling member, and a developer-residue controlling member. The developer support supports developer on the surface. The developer-controlling member controls the thickness of the ... | 10/30/2007 |
| 7263318 | Image forming apparatus including an index feature for extending the life of a photosensitive member The image forming apparatus has an electrophotographic photosensitive member and a developing device for using a developer including toner and carrier, wherein the developing device develops an electrostatic image on a photosensitive member by putting the developer ... | 08/28/2007 |
| 7244539 | Magnetic carrier and two-component developer A magnetic carrier includes a magnetic material-dispersed resin core containing at least a magnetic material and a binder resin. The surface of the magnetic material-dispersed resin core is coated with a coating material containing at least a fluorine resin and 1 to... | 07/17/2007 |
| 7236729 | Electrophotographic toner regulating member with induced strain outside elastic response region A toner layer regulating system for an electrophotographic image forming apparatus comprises a toner carrier; a metallic toner regulating member having a stress-strain curve prior to assembly with an elastic region, an inelastic region, and an initial yield stress v... | 06/26/2007 |
| 7223511 | Developer carrying member and developing method by using thereof The present invention relates to a developer carrying member for carrying a developer having at least a substrate and a resin-coated layer formed on the surface of the substrate. The developer carrying member is the one which carries a one-component developer to vis... | 05/29/2007 |
| 7214461 | Toner for electrophotography, developer using the same, image-forming process cartridge using the same, image-forming apparatus using the same and image-forming process using the same The toner of the present invention is suitably used in SLIC development system where a liner velocity of a developer-bearing member is 150 to 500 cm/sec. The toner has resin particles containing at least a coloring agent, and a charge controlling agent fine articles... | 05/08/2007 |
| 7212752 | Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount An electrophotographic image forming apparatus includes a developer reservoir for accommodating a single-component mixed developer including two types of toner having a generally identical hue and different reflection densities. A magnetic substance is added to one ... | 05/01/2007 |
| 7157201 | Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μ... | 01/02/2007 |
| 7141344 | Electrostatic image developer and image-forming process An image-forming process, which comprises steps of developing an electrostatic latent image on an inorganic photoreceptor with an electrostatic image developer containing 0.1 to 5.0% by weight, based on the toner particles, of silicon carbide fine powder of 0.2 to 1... | 11/28/2006 |
| 7139517 | Developing method for an image forming apparatus and developing device using the same A developing method of the present invention develops a latent image formed on an image carrier with a two-ingredient type developer, which consists of toner grains and carrier grains retaining the toner grains thereon, deposited on a developer carrier in the form o... | 11/21/2006 |
| 7132211 | Method for developing an electrostatic latent image A magnetic toner contains, as a magnetic powder, magnetic iron oxide having an octahedral particle shape and an average particle diameter of 0.21 μm or larger and containing 18% or more by weight of FeO. The magnetic toner is so prepared as to have a bulk density A... | 11/07/2006 |
| 7122286 | Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container A toner for developing a latent electrostatic image to a toner image, including a binder resin, and a magnetic material which is blackened by coating the surface of a magnetic powder with a coloring agent, the magnetic material being in an amount of 10 wt.% to 40 wt... | 10/17/2006 |
| 7123862 | Image forming apparatus In an image forming apparatus having at least an amorphous silicon photosensitive member, a magnetic toner developing means and a color developer developing means, the magnetic toner has a weight-average particle diameter (D4) of from 4.0 μm to 10.0 μm and ... | 10/17/2006 |
| 7110707 | Toner supplying apparatus and image forming apparatus A toner supply apparatus includes a first toner container; a first feeding member for feeding toner in the first toner container; a second toner container for receiving the toner from the first toner container; a second feeding member for feeding toner in the second... | 09/19/2006 |
| 7090956 | Image forming method and image forming apparatus In an image forming method, when viewed from the moving direction of a photosensitive body 1, there is disposed, on the upstream side, a first developing roller 61 opposed to and adjacent to the photosensitive body 1 and rotatable in the opposit... | 08/15/2006 |
| 7087355 | Electrophotographic toner containing polyalkylene wax or high crystallinity wax Toner particles having at least one toner resin and at least one polyalkylene wax or a wax having a percent crystallinity of 80% or more are described. The wax that is present in the toner particles has a polydispersity of 2.0 or higher or a percent crystallinity of... | 08/08/2006 |
| 7050743 | Self-regenerative xerographic coatings The invention is directed to self-regenerative, polymeric coatings and methods of using the coatings in xerography to increase the life and effectiveness of catalytic surfaces, such as, for example, charging device surfaces, by neutralizing ozone and nitrogen oxide ... | 05/23/2006 |
| 7046945 | Developing apparatus A developing apparatus includes a developing container including a first chamber having a developer carrying member for carrying developer and a second chamber disposed in an inclined manner to which toner is supplied. First and second communicating portions supply ... | 05/16/2006 |
| 7043175 | Image forming method and apparatus In an image forming system, an image-bearing member having a photoconductor layer comprising an Si-based non-single crystal material is charged at a relatively low potential of 250 to 600 volts by a contact charging member in the presence of electroconductive fine p... | 05/09/2006 |
| 7033720 | Development systems for magnetic toners and toners having reduced magnetic loadings Development systems and methods for developing using magnetic toner are disclosed. The present invention further discloses developers used in development systems as well as the toner used in developer for magnetic ink character recognition printing. With respect to ... | 04/25/2006 |
| 7035576 | Method and apparatus of developing a latent image formed on a surface of an image carrier In a magnet brush type image developing method of the present invention, at least one position where brush chains formed by magnetic carrier grains rise exists in a portion where an electric field formed between a facing zone where an image carrier and a developer c... | 04/25/2006 |
| 7027760 | Developing method for an image forming apparatus and developing device using the same A developing method and apparatus of the present invention develops a latent image formed on an image carrier with a two-ingredient type developer, which consists of toner grain and carrier grains, deposited on a developer carrier in the form of a brush. A distance ... | 04/11/2006 |
| 7024141 | Developing device and process cartridge for an image forming apparatus A method of developing a latent image formed on an image carrier with toner, including causing a developer carrier, which faces the image carrier and accommodates a magnet therein, to support a developer having a toner and a magnetic carrier supporting the toner and... | 04/04/2006 |
| 7014712 | Production apparatus for a monolayer powder film on a base material in a shape of an elongated film An adhesive layer is provided on a base material in the shape of an elongated film, powder particles are adhered thereon, and then other powder particles and media vibrated in a container are contacted with this adhesive layer. Next, the powder particles are embedde... | 03/21/2006 |
| 7016632 | Electrophotographic toner and development process using chemically prepared toner Development systems and methods for developing using chemically prepared toners are disclosed. The present invention further discloses developers used in development systems. The use of chemically prepared toners with hard magnetic carrier particles with a non-magne... | 03/21/2006 |
| 6975825 | Developing apparatus including first and second magnets with poles arranged to supply developer without contamination A developing apparatus includes a developer container containing a magnetic developer including a toner and a wax contained in the toner. First and second developer carrying members are rotatably provided in the developer container, for carrying the magnetic develop... | 12/13/2005 |
| 6962764 | Toner fabrication process A chemical toner and an emulsion aggregation process for preparing the chemical toner, wherein the chemical toner is composed of: (a) a resin including a compound which exhibits a molecular weight polydispersity of from about 1.1 to about 3.0 (where the resin is pro... | 11/08/2005 |
| 6959162 | Electrographic image developing apparatus and process Apparatus and methods for electrographic image development, wherein the image development process is optimized by subjecting the developer to magnetic field maxima, thereby imparting to the developer a velocity component in a direction perpendicular to the process d... | 10/25/2005 |
| 6946230 | Electrostatic image developing processes and compositions Compositions and methods for electrographic image development, wherein the image development process employs a two-component developer that includes toner particles having a radius RT and magnetic carrier particles having a radius RC, wherein R... | 09/20/2005 |
| 6936394 | Replenishing developer and developing method An electrostatic latent image on an image-bearing member is developed with a two-component developer comprising a toner and a carrier stored in a developer vessel while supplying as required a replenishing developer to the developer vessel. The replenishing develope... | 08/30/2005 |
| 6909860 | Image forming apparatus having a gap between toner-supplying and developing rollers An image forming apparatus includes an image bearing drum, a developing roller, a toner-supplying roller, and a controller. The developing roller deposits toner to an electrostatic latent image formed on the image bearing drum. The toner-supplying roller is spaced a... | 06/21/2005 |
| 6904326 | Light responsive data entry system Systems, methods and devices are provided for a light responsive data entry system. The light responsive data entry system includes a panel. The panel includes a number of data entry areas for transmitting light incident on a surface of the panel to a sensor. The se... | 06/07/2005 |
| 6855469 | Full-color image-forming method, and two-component developer kit for forming full-color images In a full-color image-forming method having at least a charging step, a latent-image-forming step, a developing step of developing an electrostatic latent image by the use of a developer; a transfer step, and a fixing step, the developer comprises a plurality of col... | 02/15/2005 |
| 6829448 | Image forming apparatus and image forming method A method and apparatus for image forming includes a hybrid developing apparatus that supplies surly charged toner to a developing roll. The apparatus includes a developing roll that is electrically conductive at least on its surface. The image forming apparatus and ... | 12/07/2004 |
| 6821700 | Apparatus and method for non-interactive electrophotographic development and carrier bead composition therefor An apparatus and method for non-interactive, dry powder development of electrostatic images includes an image bearing member bearing an electrostatic image; two component developer comprising toner and permanently magnetized thickly coated carrier beads, the coated ... | 11/23/2004 |
| 6797448 | Electrophotographic toner and development process with improved image and fusing quality Development systems and methods for developing using toner are disclosed. The present invention further discloses developers used in development systems. With respect to the development system, a development system is disclosed which includes a supply of dry develop... | 09/28/2004 |
