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| Number | Title | Issue Date |
| 8103194 | Ink development units for printers An ink development unit is disclosed for liquid electro photography (LEP) printers or the like. An exemplary squeegee on PIP (photo imaging plate) (or “SOP”) ink development unit for a liquid electro photography (LEP) printer system includes an ink dispenser con... | 01/24/2012 |
| 8090299 | Developer supply device, process cartridge, and image forming apparatus A developer supply device, includes: a developer holder; and a developer reservoir which is disposed inside of the developer holder, holds a liquid developer, and has at least one supply section that supplies the liquid developer from the developer reservoir to the ... | 01/03/2012 |
| 8055160 | Liquid electrophotographic printer The present disclosure is drawn to apparatuses, methods, and systems involving liquid electrophotographic printing. Generally, a liquid electrophotographic printer can comprise an ink application device that is configured to apply liquid electrophotographic ink to a... | 11/08/2011 |
| 8055159 | Liquid developing apparatus and image forming apparatus Provided are a liquid developing apparatus and an image forming apparatus, wherein a high-viscosity liquid developer layer is transferred sequentially from a developer supply member to a developer coating member and to the developer carrying member among rollers, an... | 11/08/2011 |
| 7979005 | Electrically conductive pattern forming apparatus An electrically conductive pattern forming apparatus has process disposition which reduces contamination of a pattern or inside of the apparatus due to backflow and leakage of a liquid material such as a developing agent or a cleaning liquid. A developing device and... | 07/12/2011 |
| 7917065 | Image forming apparatus that collects and filters excess liquid developer A developing system comprises: a plurality of image carriers; a plurality of developing devices for developing electrostatic latent images, formed on the plurality of image carriers, with respective liquid developers of different colors of which carrier is nonvolati... | 03/29/2011 |
| 7844203 | Development apparatus and image forming apparatus using the same A development apparatus includes an anilox roller for supplying liquid developer to a development roller and a supply roller arranged in a developer container and held in contact with the anilox roller to supply the liquid developer to the anilox roller. An AC volta... | 11/30/2010 |
| 7831179 | Liquid separator, liquid mixture supplying system adopting such liquid separator and image forming apparatus A liquid separator is a device for separating and extracting a dispersoid and a dispersion medium from a liquid sample containing the dispersoid and the dispersion medium. The liquid separator has a liquid storage container capable of storing the liquid sample; an e... | 11/09/2010 |
| 7769325 | Developer conveying apparatus and image forming apparatus using the same An image forming apparatus includes a reservoir base section with a recess that receives liquid developer scraped off of a developing roller by a cleaning blade. The recess is substantially U-shaped with an opened top side and an arc angle of not less than 180°. A ... | 08/03/2010 |
| 7684738 | Developer feeder for wet developing apparatus A developer feeder for wet developing apparatus having a developing roller rotationally engaged with a photoconductor drum and a feed roll in part immersed in a liquid developer and rotationally engaged with the developing roller for supplying the liquid developer o... | 03/23/2010 |
| 7676179 | Wet image forming apparatus recycling carrier Of carrier liquids extracted by an carrier liquid extracting device from a liquid developer obtained by mixing together yellow, cyan, magenta, and black liquid developers, the carrier liquid of particularly high purity is recycled for concentration control of the ye... | 03/09/2010 |
| 7672618 | Image forming apparatus and method using liquid development in which toner density is determined based on patch image density A CPU 113 executes a control program stored in a memory 116 thereby forming a plurality of patch images with a developing bias increased for each of the patch images; detecting a density of each of the patch images by means of a patch sensor 17;... | 03/02/2010 |
| 7668487 | Printed circuit board printing system The invention provides a printed circuit board (PCB) printing system. In a particular embodiment, the system includes a liquid electrophotographic printing device. At least one supplier of electrically conductive ink supplying electrically conductive ink to the elec... | 02/23/2010 |
| 7657209 | Apparatus for containing splashes in an ink developer A splash guard is configured to control the flow of excess liquid generated by an interaction between a first roller and a second roller by splitting the flow of the excess liquid into a first flow and a second flow. ... | 02/02/2010 |
| 7647008 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 01/12/2010 |
| 7643776 | Ink building An ink builder to build an ink for a hard copy device. The ink has at least one property that deteriorates in storage. The ink builder comprises an ink tank and apparatus for building ink in the ink tank from a plurality of components and/or an ink maintaining appar... | 01/05/2010 |
| 7639971 | Apparatus for the electrographic printing and copying using liquid coloring agents In an apparatus for the electrographic printing or copying using liquid coloring agents consisting of a carrier liquid and toner particles, including a latent image carrier and at least one supply element in the form of a slot-like supply nozzle via which the liquid... | 12/29/2009 |
| 7630671 | Developing system that distributes carrier to developer containers in a manner to achieve stable image formation A developing system comprises: a plurality of image carriers; a plurality of developing devices for developing electrostatic latent images, formed on the plurality of image carriers, with respective liquid developers of different colors of which carrier is nonvolati... | 12/08/2009 |
| 7567774 | Image forming apparatus An image forming apparatus includes a photosensitive drum having a predetermined rotary shaft, an exposure device conducting exposure on the photosensitive drum so as to form an electrostatic latent image on a surface of the photosensitive drum, a medium supplier th... | 07/28/2009 |
| 7546066 | Image forming apparatus, image forming system, and image forming method An image forming apparatus includes a turnable image bearing body for bearing a latent image; a turnable developer bearing body for bearing liquid developer, the developer bearing body and the image bearing body being pressed in contact with each other at a predeter... | 06/09/2009 |
| 7463851 | Device and method for electrophoretic liquid development In a method or device for transport of liquid developer to an image carrier element for electrophoretic digital printing, a developer unit is arranged adjacent to the image carrier element, the developer unit directing a liquid developer having toner particles to th... | 12/09/2008 |
| 7457568 | Image forming apparatus and method using liquid development in which toner density is determined based on patch image density A CPU 113 executes a control program stored in a memory 116 thereby forming a plurality of patch images with a developing bias increased for each of the patch images; detecting a density of each of the patch images by means of a patch sensor 17;... | 11/25/2008 |
| 7403736 | Image forming apparatus, image forming system, and image forming method An image forming apparatus includes a turnable image bearing body for bearing a latent image; a turnable developer bearing body for bearing liquid developer, the developer bearing body and the image bearing body being pressed in contact with each other at a predeter... | 07/22/2008 |
| 7387455 | Substrate processing device, substrate processing method, and developing device Rinsing nozzles 310a to 310e are moved on a wafer W while they are discharging rinsing solution 326. At that point, discharging openings 317a to 317e are contacted to developing solution 350 coate... | 06/17/2008 |
| 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 |
| 7354691 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 04/08/2008 |
| 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 |
| 7349654 | Developer cartridge for a wet-type image forming apparatus A developer cartridge for a wet-type image forming apparatus including a cartridge body in which developer is stored. The cartridge body has a supply hole formed thereon to supply the developer in the cartridge to the image forming apparatus. A filter is disposed in... | 03/25/2008 |
| 7343111 | Electrophotographic image forming apparatus for forming toner images onto different types of recording materials based on the glossiness of the recording materials Disclosed in an image forming apparatus in which an electrostatic potential and/or frequency of AC voltage of development bias is controlled according to information on recording material. The information is preferably glossiness information of the recording materia... | 03/11/2008 |
| 7341334 | System and method for preventing security ink tampering An ink supply system for a printer including an inner chamber comprising a controlled security ink; an outer chamber comprising a chemical; an ink conduit from the inner chamber through and out of the outer chamber; and a rupture wall at a junction between the inner... | 03/11/2008 |
| 7333754 | Image forming apparatus and method using liquid development Squeegee rollers are disposed between a primary transferring position and a secondary transferring position on an intermediate transfer roller facing against the intermediate transfer roller. The squeegee rollers are movable between a contacting position to contact ... | 02/19/2008 |
| 7300139 | Ink jet recording apparatus using charged fine particle-containing ink The ink jet recording apparatus includes an ink jet head that causes an electrostatic force to act on ink containing charged colored particles based on an image signal to eject an ink droplet on a recording medium, an ink supply unit that supplies the ink to the ink... | 11/27/2007 |
| 7292810 | Liquid electrophotographic imaging device and methods An embodiment includes developing unit having a first developer roller and a second developer roller in contact with the first developer roller. The first developer roller is adapted to transfer developed liquid developer to the second developer roller, and the seco... | 11/06/2007 |
| 7263302 | Detector for detecting abnormality in developer passage, image forming device having the same and detection method thereof A detector for detecting an abnormality in the developer passage includes a sensing unit for detecting a rotational speed of the developer pump, a rotational speed storage for storing rotational speed reference of the developer pump, and a controller for controlling... | 08/28/2007 |
| 7260344 | Liquid developing device A liquid developing device includes an ink cartridge, a developing container connected to the ink cartridge in which ink is circulated between the developing container and the ink cartridge, a photosensitive body on which an electrostatic latent image is formed, a d... | 08/21/2007 |
| 7244540 | Liquid toners comprising amphipathic copolymeric binder having insoluble components in the shell portion thereof The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 07/17/2007 |
| 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 |
| 7228091 | Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes In accordance with the invention, there is an electrophotographic charging device comprising a first electrode, a second electrode adjacent the first electrode, a plurality of nanotubes adhering to at least one of the first electrode and the second electrode, and a ... | 06/05/2007 |
| 7215910 | Coating especially for liquid toner imaging system components A liquid toner imaging system having at least one metal product, having a coating on at least a portion thereof, the coating having a thickness of between about 0.1 and about 2 microns thereon, said coating comprising an anionic fluorosurfactant, said coating being ... | 05/08/2007 |
| 7197266 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 03/27/2007 |
