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| Number | Title | Issue Date |
| 8139983 | Developing device and image forming apparatus with liquid developer coating members A developing device includes a developer storage portion that stores a liquid developer including toner and carrier liquid. A first coating member rotates and coats the liquid developer stored in the developer storage portion. A second coating member contacts the fi... | 03/20/2012 |
| 7995953 | High speed electrographic printing A high speed electrostatic printing machine has a toner supply of a high viscosity highly concentrated liquid toner to a pick-up roller and then a metering roller. A doctor blade bears against the metering roller which bears against a development member with an inte... | 08/09/2011 |
| 7937026 | Liquid developing electrophotographic device roller and liquid developing electrophotographic device An object of the present invention is to provide a liquid developing electrographic device roller suppressed in volumetric variation caused by a carrier. As a means for solving the problems, the present invention provides a liquid developing electrophotographic devi... | 05/03/2011 |
| 7912408 | Image forming apparatus, process cartridge, and development device An image forming apparatus includes a development device for supplying a developer containing toner and carrier to an electrostatic latent image carrying member for carrying thereon an electrostatic latent image, or a process cartridge for integrally storing the dev... | 03/22/2011 |
| 7742723 | Developing device having cleaning blade for cleaning development roller The invention provides a developing device employing a liquid developer which is capable of effectively cleaning a development roller or the like having an elastic outer layer. The developing device of the invention is provided with an elastic roller such as a devel... | 06/22/2010 |
| 7693461 | System and method for minimizing residual charge effects in a printing device A development unit for a printing device is described. An equalizing element is provided to minimize residual charges which cause ghosting. The equalizing element can, for example, be a roller or a blade positioned downstream of a cleaning nip between the cleaning r... | 04/06/2010 |
| 7676181 | Developing unit and image forming device The present invention discloses a developing unit that can block unnecessary supply of liquid developer to an image support member and can prevent waste of liquid developer, and an image forming device comprising the same. The developing unit includes a developing m... | 03/09/2010 |
| 7672619 | Wire bar, method of manufacturing wire bar, and image forming apparatus A wire bar is formed by winding a wire, which comprises a first flat portion formed along an overall longitudinal length, around a peripheral surface of a metal core such that the peripheral surface of the metal core and the first flat portion tightly contact with e... | 03/02/2010 |
| 7493065 | Wire bar, method of manufacturing wire bar, and image forming apparatus A wire bar is formed by winding a wire, which comprises a first flat portion formed along an overall longitudinal length, around a peripheral surface of a metal core such that the peripheral surface of the metal core and the first flat portion tightly contact with e... | 02/17/2009 |
| 7493066 | Developing device The invention provides a developing device employing a liquid developer which is capable of effectively cleaning a development roller or the like having an elastic outer layer. The developing device of the invention is provided with an elastic roller such as a devel... | 02/17/2009 |
| 7437104 | Developer cleaning A developer system component includes at least one surface configured to be driven so as to create fluid flow providing a shear force adjacent a cleaner. ... | 10/14/2008 |
| 7386260 | Liquid developing unit and image forming apparatus including the same Disclosed is a developing unit 6 including a tank containing a liquid toner, a pick-up roller 10 for drawing the liquid toner from the tank, an application roller 11 whose circumferential surface 11a is supplied with the liquid ton... | 06/10/2008 |
| 7356287 | Ink developer foil In one implementation, an apparatus includes a foil that is adjacent to a portion of an ink developer electrode. The foil at least partially limits an accumulation of splashed ink along one or more portions of the ink developer electrode. ... | 04/08/2008 |
| 7266329 | Toner image carrying member and manufacturing method thereof, and electrophotographic apparatus A toner image carrying member can be rotationally driven, and a plurality of grooves are formed on an outer peripheral surfaces of the toner image carrying member, the plurality of grooves extending along a rotation direction of the toner image carrying member and a... | 09/04/2007 |
| 7260340 | System and method for transfer of an electrical voltage to/from a rotating roller In order to be able to supply a rotating transfer roller in a transfer printing station of an electrophotographic printing device with a high voltage, a system and method is proposed that comprises a voltage transfer device with an elastically borne brush, a compens... | 08/21/2007 |
| 7242892 | Wet type image forming apparatus A wet type image forming apparatus forms an image in accordance with an electrophotographic imaging process using a developing solution containing a toner in a carrier solution. The image forming apparatus includes a developing roller that holds the developing solut... | 07/10/2007 |
| 7231162 | Oxygen generators in ink cartridge environment A system is provided within an electrophotographic imaging environment that removes or decomposes airborne hydrocarbons (as vapor and/or droplets), at least some of which are provided from evaporation or airborne dispersal of hydrocarbon carrier from electrophotogra... | 06/12/2007 |
| 7187894 | Image forming apparatus having a heat belt There is provided an image forming apparatus having an image forming section for forming an unfixed image on a transfer medium and a fixing device for fixing the unfixed image by sandwiching and heating the transfer medium that holds the unfixed image, wherein, the ... | 03/06/2007 |
| 7174119 | Developing device featuring high viscosity developing agent and superimposed AC and DC bias voltage components A developing device for developing an electrostatic image formed on an image carrier, includes a liquid developing agent, wherein toner particles are dispersed in a liquid solvent, and wherein a viscosity of the liquid developing agent is in a range 100 mPa·s to 10... | 02/06/2007 |
| 7167666 | Liquid development device, image forming apparatus, and image forming system A liquid development device has a developer retaining roller having recesses, which are for retaining liquid developer, provided in the surface of the developer retaining roller; and a supplying roller for supplying the liquid developer to the developer retaining ro... | 01/23/2007 |
| 7162187 | Image forming apparatus and image forming method In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ... | 01/09/2007 |
| 7151906 | Liquid toner electrophotographic printing systems and methods A liquid developer imaging system comprising a developing container for receiving a quantity of developing solution, a sensing system for maintaining a predetermined processing level of developing solution within the container, a developer roller connected to a firs... | 12/19/2006 |
| 7149459 | Application roller and image forming apparatus An application roller comprises inclined sections which monotonously extend from central parts of peaks to the bottom of grooves. Hence, a liquid developer (a carrier liquid and toner particles) remaining on wall surfaces of the grooves of the application roller and... | 12/12/2006 |
| 7139514 | Developing device, image forming apparatus, image forming system, and restriction member A developing device includes: a developer bearing body for bearing liquid developer, the liquid developer bore by the developer bearing body being used by the developing device to develop a latent image bore by an image bearing body; a developer supplying member tha... | 11/21/2006 |
| 7113730 | Apparatus for preventing developer wraparound in wet electrophotographic printer An apparatus prevents developer wraparound in a wet electrophotographic printer using wraparound preventing units. Each of the wraparound preventing units has varied diameter parts formed at both ends of a developing roller, and matching parts formed at both ends of... | 09/26/2006 |
| 7085521 | Developing device for wet electrophotographic printer Disclosed is a developing unit of a wet electrophotographic printer, which has a photoconductive drum, a developing roller for transferring a developer onto the photoconductive drum, a cartridge for storing a developer therein, a developer guide disposed at a predet... | 08/01/2006 |
| 7058341 | Electrostatic transfer type liquid electrophotographic printer using a continuous photoreceptor web as a photoreceptor medium An electrostatic transfer type liquid electrophotographic printer which has a photoreceptor web having a charged surface and opposing back surface, at least one exposing unit for forming a latent electrostatic image onto the charged surface of the photoreceptor web,... | 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 |
| 7039343 | Image forming apparatus using a developing liquid An image forming apparatus configured to use a highly viscous, dense developing liquid including a carrier liquid and toner. The apparatus includes a developing unit with a developer carrier and a coating member for coating the developing liquid on the developer car... | 05/02/2006 |
| 7024126 | Developing unit and density control method in electrophotography A developing unit maintains constant density in an electrophotographic imaging process. The developing unit has: a) a developer with a developing surface and a first voltage is applied to the developer; b) a deposi... | 04/04/2006 |
| 7020420 | Device and method for electrographically printing or copying using liquid inks In a device and method for electrographic printing or copying, a latent image carrier is provided having a potential pattern corresponding to an image pattern. An applicator pattern is provided that carries a liquid layer of ink spaced from a surface of the latent i... | 03/28/2006 |
| 7004650 | Developing device using a developing liquid and image forming apparatus including the same A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid including a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the... | 02/28/2006 |
| 7003248 | Liquid image formation apparatus and liquid developing device An excess toner removal area is made broader over the whole area with respect to a developer applied area that is broader than an image effective area. Thereby a liquid developer, that tends to spread slightly broader than the applied area after being applied to a p... | 02/21/2006 |
| 6999701 | Image forming apparatus with adjustable removal and developing nips A removal nip having a predetermined width is formed by a sweep roller pressurizing mechanism, which adjusts the length of a tension spring by rotating an adjustment screw, and adjusting the size of an energizing force of a sweep roller with respect to a photosensit... | 02/14/2006 |
| 6987941 | Developing liquid coating device, developing device including the same and image forming apparatus including the developing device A device for coating a developing liquid included in an developing device of the present invention includes a coating member rotatable with the developing liquid deposited thereon in a preselected amount. An intermediate member has a surface contacting the surface o... | 01/17/2006 |
| 6975824 | Wet electrophotographic printer A wet electrophotographic printer includes a developing chamber communicating with an inlet of a first nip between a developing roller and a deposit roller to supply a liquid developer into the first nip therebetween, a developer storing chamber communicating with a... | 12/13/2005 |
| 6947700 | Fixing apparatus and image forming apparatus Since a fluorine treatment or the like is applied on a surface of an intermediate transfer belt (10), and thus, the surface bears water repelling property, when fixer (92) is supplied from a fixing apparatus (90) to surface parts of the intermed... | 09/20/2005 |
| 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 |
| 6904254 | Developing unit using a developing liquid and image forming apparatus including the same A developing unit includes a developing roller including a roller portion. The developing roller is rotatable while carrying a developing liquid on the roller portion. The developing unit also includes a voltage applying device that applies a voltage to the roller p... | 06/07/2005 |
| 6868246 | Developing liquid coating device, developing device including the same and image forming apparatus including the developing device A device for coating a developing liquid included in an developing device of the present invention includes a coating member rotatable with the developing liquid deposited thereon in a preselected amount. An intermediate member has a surface contacting the surface o... | 03/15/2005 |
