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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8045890 | Multi-pass type image forming apparatus An image forming apparatus includes a photosensitive body, and a plurality of developing devices to develop a color image on the photosensitive body. The plurality of developing devices include fixed-position developing devices, of which positions relative to the ph... | 10/25/2011 |
| 7869744 | Imaging apparatus and image forming methods Imaging apparatuses and Image forming methods are described. According to one embodiment, an imaging apparatus includes a photoconductor including an image forming surface configured to receive a latent image, a plurality of developers individually configured to pro... | 01/11/2011 |
| 7433635 | Method and apparatus for using a transfer assist layer in a multi-pass electrophotographic process with electrostatically assisted toner transfer A method of producing an image on a final image receptor from image data in a multiple pass electrophotographic system is provided. The method includes the steps of applying transfer assist material to an intermediate transfer member and providing at least one devel... | 10/07/2008 |
| 7428387 | Image forming apparatus and method for detecting the color information and positions of developing units An image forming apparatus and method for reproducing an image includes a plurality of color developing units, and a developing unit detector configured to detect a type and a position of each of the plurality of color developing units. A printer control unit contro... | 09/23/2008 |
| 7391996 | Image forming apparatus configured so that an angel is formed by straight line connecting a rotation center of a rotary and a drive transmitting position, and a tangent line at a transfer position of an image bearing member The present invention relates to an image forming apparatus comprising: an exposing means and a developing means. The developing means comprises a plurality of developing devices, a rotating member rotatable while supporting the plurality of the developing devices, ... | 06/24/2008 |
| 7366440 | Process cartridge feeding developer from first to second removed developer accommodating portions and image forming apparatus to which the cartridge is mountable An electrophotographic image forming apparatus to which a process cartridge and a developer cartridge are independently attachable. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a first developer accommodating portion for ac... | 04/29/2008 |
| 7349655 | Developing device and method of forming images A developing device configured to carry out development of an electrostatic image using color toner particles and transparent toner particles includes color and transparent developing units configured to store toner particles, carrier particles, and additive particl... | 03/25/2008 |
| 7327973 | Image forming apparatus, method for forming an image, computer-readable storage medium, and computer system An image forming apparatus comprises an image bearing member on which a latent image is formed, a plurality of developing devices for developing the latent image, each of the developing devices containing developer, and a turnable turning member on which the plurali... | 02/05/2008 |
| 7301675 | Glossmark images with clear toner The present invention relates to creating differential gloss images in clear toner by the manipulation of halftones employed prior to the depositing of the clear toner layer upon a substrate. By selectively applying halftones with anisotropic structure characteristi... | 11/27/2007 |
| 7248822 | Image forming apparatus The present invention relates to an image forming apparatus comprising: an exposing means and a developing means. The developing means comprises a plurality of developing devices, a rotating member rotatable while supporting the plurality of the developing devices, ... | 07/24/2007 |
| 7242872 | Image forming apparatus with changeover control for development cartridges An image forming apparatus includes a carrier on which an electrostatic latent image is formed, a plurality of development cartridges which develop the electrostatic latent image with toner to form a toner image to be transferred to a recording sheet, and a changeov... | 07/10/2007 |
| 7239830 | Color image forming system and method of forming color image using the system A color image forming system including a photosensitive drum, a charger which charges the photosensitive drum, and a laser scanning unit which is installed below the photosensitive drum and radiates light onto the charged photosensitive drum, to form an electrostati... | 07/03/2007 |
| 7233749 | Image forming device for performing calibration by patch pattern An image forming device, has an image carrier on which a latent image is formed, and a development device to which a plurality of development units for containing developer with the same color are detachably installed, and development is performed by attaching the d... | 06/19/2007 |
| 7231160 | Printing device and printing method A color laser printer of the invention identifies each object image to be printed as a color image or a monochromatic image. When the object image to be printed is identified as a color image, the control procedure of the invention rotates a developer unit with mult... | 06/12/2007 |
| 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 |
| 7190923 | Image forming apparatus, method for forming an image, computer-readable storage medium, and computer system An image forming apparatus with an image bearing member on which a latent image is formed, with a plurality of developing devices for developing the latent image, each of the developing devices containing developer, and with a turnable turning member on which the pl... | 03/13/2007 |
| 7187891 | Developing apparatus including rotary member for accommodating variable combinations of developing sleeves and balance weights A developing apparatus for developing an electrostatic image on an image bearing member includes a rotary member including a plurality of mounting portions, to which a plurality of developing devices and a plurality of balance weights are detachably mountable. The r... | 03/06/2007 |
| 7177574 | Image forming apparatus and developing gap adjusting method in image forming apparatus In the image forming apparatus of the present invention, a developing roller is press fit into the rotor at the edge of the rotary holder of the revolver type color developing device that is positioned against the photosensitive drum and a developing gap between the... | 02/13/2007 |
| 7177568 | Image forming apparatus and an image forming method Prior to execution of a printing operation, a print preparatory operation is conducted collectively on all developer cartridges mounted to a developing unit, thereby bringing all the developer cartridges into a printable state. Therefore, even if a residual amount o... | 02/13/2007 |
| 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 |
| 7133635 | Fusing unit used with a color laser printer A fusing unit used with a color laser printer includes a pair of rollers which heat and press a sheet of paper, onto which an image is transferred, and fuse the transferred image on the sheet of paper, and plastic mold bearings which rotatably support the rollers to... | 11/07/2006 |
| 7068956 | Image forming apparatus and control method for the image forming apparatus An image forming apparatus, including: an image bearing member on a surface of which an electrostatic latent image is formed; a developing device which contains a developer and which has a rotatable developer carrying member, which abuts against the surface of the i... | 06/27/2006 |
| 7043168 | Image forming apparatus and method for detecting the color information and positions of developing units An image forming apparatus and method for reproducing an image includes a plurality of color developing units, and a developing unit detector configured to detect a type and a position of each of the plurality of color developing units. A printer control unit contro... | 05/09/2006 |
| 7031631 | Image forming apparatus operable in plural modes of forming images on intermediate transfer member An image forming apparatus includes a photosensitive member, an intermediate transfer material, a first transfer device, a second transfer device, a feed device, a refeed device, and a controller which executes selectively first and second modes, in which one or two... | 04/18/2006 |
| 7031637 | Image forming apparatus having image forming units perpendicular to developer supply units The present invention relates to an image forming apparatus comprising a plurality of image forming units for forming images, the image forming units being detachably arranged in the image forming apparatus, and a plurality of developer supplying units arranged corr... | 04/18/2006 |
| 7024138 | Image forming apparatus, and replenishing developer kit In an image forming apparatus having at least one single electrostatic latent image bearing member and a plurality of image forming units each having a replenishing developer cartridge and a developing assembly, at least one of the image forming units is a special-c... | 04/04/2006 |
| 6970671 | Image forming apparatus An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, and a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rota... | 11/29/2005 |
| 6951688 | Charging member, and image-forming apparatus and process cartridge which make use of the same The present invention relates to a charging member for charging a surface of a member to be charged in an image forming apparatus, and one aspect of the present invention provides a charging member having an outermost surface layer containing a conductive elastic ma... | 10/04/2005 |
| 6947689 | Image forming apparatus An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rotary m... | 09/20/2005 |
| 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 |
| 6842598 | Image forming apparatus having a plurality of developing means around an image carrier An image forming apparatus of the present invention includes two developing units each including two developing rollers facing a particular photoconductive drum and rotatable about respective axis parallel to the axis of the drum. Each developing unit is supported b... | 01/11/2005 |
| 6706458 | Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group consisting... | 03/16/2004 |
| 6701110 | 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-dis... | 03/02/2004 |
| 6555281 | Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group... | 04/29/2003 |
| 6385405 | Method and apparatus for combining xerographic and ink jet printing A method and apparatus for printing an image onto a medium such as paper incorporates elements of xerographic and direct marking printing technologies. A layer of colorless toner is applied to an intermediate surface, such as a charge receptor drum. The t... | 05/07/2002 |
| 6352806 | Low toner pile height color image reproduction machine A low toner pile height color image reproduction machine is disclosed for forming full-gamut toner images approximating a "look and feel" of offset lithographic images. The reproduction machine includes a single moveable endless image bearing member havin... | 03/05/2002 |
| 6055400 | Multicolor image forming apparatus In a multicolor image forming apparatus, in order to form two pages of toner images on a transfer belt, a plurality of images are written during a first interimage period. After writing of the plurality of images, a development unit is rotated during a su... | 04/25/2000 |
| 5960237 | Apparatus and method for removing foreign materials lodged inside an image forming system The invention provides image forming method and apparatus. One embodiment of the invention is an image forming apparatus with a developing device. This apparatus also includes: (1) an electrostatic latent image carrier on which an electrostatic latent ima... | 09/28/1999 |
| 5915153 | Image printing apparatus An image printing apparatus includes a photoreceptor belt on which a latent electrostatic image is formed, and a plurality of development devices for developing the latent electrostatic image formed on the photoreceptor belt. Each of the development devic... | 06/22/1999 |
| 5905010 | Nonmagnetic toner for forming full color images The nonmagnetic toner for forming full color images of the present invention comprises: a binder resin, a colorant and wax dispersed in the binder resin as wax particles; wherein the wax particles contained in the toner have a particle size distribution i... | 05/18/1999 |
