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| Number | Title | Issue Date |
| 8086125 | Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developer An image forming apparatus includes a plurality of developing devices. Each developing devices performs an electrophotographic process to form an image. The image forming apparatus comprises a first developing device and a second developing device. The first develop... | 12/27/2011 |
| 8078071 | Image forming apparatus and control method of the image forming apparatus An image forming apparatus has: a photosensitive drum onto which images are formed; and a primary transfer roller which sequentially forms the color images onto the photosensitive drum by using a plurality of developing devices having different color developers and ... | 12/13/2011 |
| 8068753 | Control device and method to control an electrophotographic printer or copier to prevent developer damage In a method or control device for controlling an electrophotographic printer or copier that has at least two developer stations, during a print operation print data is used to determine which developer stations are needed for printing of the data. In the event it is... | 11/29/2011 |
| 8041242 | Image forming apparatus and image forming method thereof A method of forming an image with a plurality of colors of developer, the method including generating color printing data corresponding to colors, sensing remainders of the plurality of colors of developer, converting the color printing data into mono printing data ... | 10/18/2011 |
| 7885562 | Color image forming apparatus having movable developer members An image forming apparatus is provided. The image forming apparatus includes an apparatus main body; a plurality of image carrying members; a plurality of developing members; a translation member that reciprocates in a straight line in a direction in which the image... | 02/08/2011 |
| 7865098 | Smart developer cycle up This invention provides supplying a model that will together with software and a controller, separately selectively cycle up (activate) or cycle down (inactivate) color stations in accordance with their need for a particular imaging run. The cycled down stations are... | 01/04/2011 |
| 7796905 | Multicolor image forming apparatus A multicolor image forming apparatus includes: a photosensitive belt unit comprising; a driving roller; a driven roller; a photosensitive belt having a joint, and a charger charging a surface of the photosensitive belt; an exposure device forming an electrostatic la... | 09/14/2010 |
| 7406281 | Image forming apparatus and method thereof An image forming apparatus is provided that forms an image with liquid developer, and a method thereof. The image forming apparatus includes a plurality of photoconductors on which developer images having carrier rates different from each other are formed with corre... | 07/29/2008 |
| 7376373 | Image forming apparatus having a power transmitting device to selectively operate developing units thereof An electrophotographic image forming apparatus is provided that includes a plurality of developing units, a cam shaft, and a plurality of cams disposed on the cam shaft corresponding to the respective developing units. A power transmitting device disposed between th... | 05/20/2008 |
| 7375853 | Image processing apparatus and method A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other than the black data. A multinarizing unit converts the color data in... | 05/20/2008 |
| 7365865 | Printing apparatus and control method therefor In a printing apparatus having full-color and monochrome print processes and a method therefor, whether a page to be printed is color or monochrome is checked. The presence of an immediately preceding page which is successively printed before a page to be printed th... | 04/29/2008 |
| 7349653 | Developing apparatus and image forming method featuring colored and transparent toners A developing apparatus includes a developing device for color receiving colored toner and a carrier and developing an electrostatic image; a developing device for transparence receiving transparent toner and a carrier and developing the electrostatic image; a develo... | 03/25/2008 |
| 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 |
| 7336910 | Image forming apparatus with gamma conversion means The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consump... | 02/26/2008 |
| 7330286 | Apparatus, method and computer program product for providing output image adjustment for image files A CPU of a color printer performs gamma correction and a matrix operation M on an RGB color space image data derived by a matrix operation S. Using gamma correction value settings, the CPU performs gamma conversion of image data. Matrix operation M converts the RGB ... | 02/12/2008 |
| 7310484 | Apparatus for forming visible black and white or color images and invisible images The image forming apparatus of the present invention includes a cyan color image formation unit which uses a cyan color toner to form a cyan color image; a magenta color image formation unit which uses a magenta color toner to form a magenta color image; a yellow co... | 12/18/2007 |
| 7283282 | Method of adjusting color in a color proof The present invention is a method of adjusting a color in a color proof (112) printed with primary colors cyan, magenta, yellow, and black. It is accomplished by: a) combining the cyan bitmap (2), magenta bitmap (4... | 10/16/2007 |
| 7280118 | Process for the production of a color palette A system and method are provided for producing a color palette including a multitude of color patterns for a predetermined coloring process with a multitude of defined base colors and for a predetermined substrate. The individual color patterns are systematically, e... | 10/09/2007 |
| 7266315 | Image forming apparatus and image stabilization processing method An image forming apparatus reduces the wait time before completion of an image stabilization process executed for preparation for image formation while ensuring image quality. In the image forming apparatus, image formation is performed using developers having four ... | 09/04/2007 |
| 7245843 | Image forming apparatus capable of optimizing glossiness of image formed on recording material with transparent or white toner An image forming apparatus includes a toner image forming device for forming a toner image on a recording material with transparent or white toner. A fixing device fixes the toner image on the recording material. A fixed toner image detection device detects the tone... | 07/17/2007 |
| 7218418 | Digital de-screening of documents A method and a system for de-screening an image signal. The system comprises a filter bank, a control module and a blend module. The filter bank filters the image signal and produces a set of filter output signals. The control module generates at least one control s... | 05/15/2007 |
| 7210868 | Printer A printer includes: a print performing unit which can change a structure thereof and in which contents of an executable printing process change depending on the structure; an apparatus name information storing unit which stores a plurality of apparatus name informat... | 05/01/2007 |
| 7199813 | Photographic printer using hyper-pigment loaded toners A set of color toners for use in an electrophotographic image forming device is disclosed. The set of color toners include a cyan toner having high cyan pigment load, a magenta toner having a high magenta pigment load, and a yellow toner having a high yellow pigment... | 04/03/2007 |
| 7184171 | Image processing method and apparatus and image processing system A scanner interface (383) inputs the image data obtained by one optical scan on an original. An HDD controller (2001) performs ACS determination to determine on the basis of the image data whether the original is a color original, and holds the image d... | 02/27/2007 |
| 7155147 | Image forming apparatus An image forming apparatus is capble of selectively moving a plurality of developing devices to a developing position. During the moving operation of each developing device to the developing position, the moving distance of at least one developing device differs fro... | 12/26/2006 |
| 7149448 | Image forming apparatus having a plurality of developing means An image forming apparatus includes a plurality of developing portions capable of developing electrostatic latent images formed on an image bearing member, and a control portion for executing preparation operations for developing operations with respect to each of t... | 12/12/2006 |
| 7130550 | Image forming apparatus featuring a changeable mixing ratio of deep and pale color toners An image forming apparatus includes image forming means for forming a superposed image on an image bearing member by using at least toners which have an identical hue and different color densities; transfer means for electrostatically transferring the superposed ima... | 10/31/2006 |
| 7123849 | Image forming apparatus, image forming apparatus control method, cartridge, and storage medium In an image forming apparatus, process cartridge, and storage medium, if an image forming stop factor occurs in a cartridge of a certain color, image forming using a cartridge of another color is enabled to increase the utilization efficiency and operability of the ... | 10/17/2006 |
| 7119920 | Image formation system In case of forming images of a job, which includes color pages and black/white pages, in order to constitute a system which can obtain pages of individually formed images with a state in original page order by selectively using both a color image formation apparatus... | 10/10/2006 |
| 7058339 | Printing system A color printing system comprising a combination of at least four, and preferably six coloring materials, each of a different color, wherein these colors are selected from (1) an orange-red; (2) a violet-red; (3) a violet-blue;... | 06/06/2006 |
| 7058326 | Color image forming apparatus A color image forming apparatus includes a plurality of image carriers for at least one color, a plurality of developing devices, each developing a toner image onto each image carrier, a plurality of charging devices, each charging the each image carrier, a first po... | 06/06/2006 |
| 7054585 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device An image forming apparatus suppresses several kinds of inconveniences caused by unnecessary contact of a belt-formed member with opposing members and drives the belt-formed member accurately even when the belt-formed member separated from a part of a plurality of op... | 05/30/2006 |
| 7045265 | Electrophotographic color toner Electrophotographic color toner prepared as a mixture of white toner and chromatic color toner in an electrophotographic toner composition at least containing a colorant, a binder resin and an additive, wherein a colorant of the white toner is one member selected fr... | 05/16/2006 |
| 6993272 | Method of development of custom colors without changing developer housing A method for producing a toner of a custom color in a developer unit including a housing defining a reservoir for storing a supply of toner, a donor member for transporting toner to an imaging surface; including: identifying custom color requested; determining color... | 01/31/2006 |
| 6970175 | Digital prepress color mixing tools A digital prepress color mixing tool is described, including suggestions for how to implement the tool within a native artwork production environment, such as Adobe Illustrator™. The invention allows for the prepress work of applying color mixtures to be accomplis... | 11/29/2005 |
| 6955736 | Process for manufacturing a multi-layer film-type laminate for packaging materials The invention relates to a process for manufacturing a flexible film-type laminate (7) from two or more films (9a,9b) for packaging materials, whereby at least two films (9a,9b) are laminated to each oth... | 10/18/2005 |
| 6947175 | Method and system for adjusting color mixing due to substrate characteristics A method for adjusting fractional amounts of primary colors to be combined to substantially match a user selected color and substrate characteristics in a device adapted to color printing on a substrate. The method corrects for both the color and the reflectivity of... | 09/20/2005 |
| 6938984 | Custom color inkjet printing system An inkjet printing system for printing custom colors is provided. An ink mixing station is also provided. The printing system includes multiple ink channels, an ink cartridge sensor for each channel, and a controller. A method for printing custom colors in a printin... | 09/06/2005 |
| 6941102 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device An image forming apparatus suppresses several kinds of inconveniences caused by unnecessary contact of a belt-formed member with opposing members and drives the belt-formed member accurately even when the belt-formed member separated from a part of a plurality of op... | 09/06/2005 |
| 6931221 | Image forming apparatus having change-over type developing device An image forming apparatus includes a latent image bearing member and a developing portion having a plurality of developing devices provided facing the latent image bearing member, as well as an inputting portion for inputting an image signal, an auto-discriminating... | 08/16/2005 |
