| Patent Number |
Title Of Patent |
Date Issued |
| 7601779 |
Polymer compound and recording medium |
October 13, 2009 |
| A polymer compound comprises a unit composed of a sulfur-containing compound (A) having at least two active hydrogen groups, a unit composed of a compound (B) having at least two isocyanate groups and a unit composed of an amine compound (C) having at least two active hydrogen groups |
| 7571909 |
Sheet treating apparatus and image forming apparatus provided therewith |
August 11, 2009 |
| The invention is to provide a sheet treating apparatus achieving a space saving and enabling easy identification of an output mode of sheets. The sheet treating apparatus of the invention for treating sheets after image formation is accommodated in a space formed in an image forming |
| 7566051 |
Sheet post-processing unit and image forming apparatus |
July 28, 2009 |
| A sheet post-processing unit usable in an image forming apparatus includes a sheet stacking device; a sheet conveying device including at least one roller rotatably supported by an arm movably and vertically rockingly supported, an actuator for moving the arm capable of selectively c |
| 7557968 |
Document feeder and image forming apparatus |
July 7, 2009 |
| A document feeder for transporting a document to a predetermined reading position at which image reading is performed by an image reading portion, including: a document transport portion for transporting the document to a reading standby position upstream of the reading position; and a |
| 7552917 |
Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
June 30, 2009 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7543806 |
Sheet processing apparatus and image forming apparatus equipped with same |
June 9, 2009 |
| A sheet processing apparatus is provided with a processing tray on which sheets are to be stacked and subjected to a processing, a stack tray provided in the downstream of the processing tray with respect to the sheet conveying direction on which sheets are to be stacked, an oscillat |
| 7537318 |
Ink jet print head, ink jet printing apparatus, and method for manufacturing ink jet print head |
May 26, 2009 |
| Ink is smoothly supplied so as to increase ink ejection speed to achieve high-speed printing. Thus, a filter is used to partition an ink storing chamber into a first and second storing chambers. Ink stored in the first storing chamber is supplied to a common liquid chamber in an ejection |
| 7527354 |
Recording system |
May 5, 2009 |
| A recording system includes a first recording unit, including a recording module having a recording head and a cleaning unit which cleans the recording head, a conveying section which conveys a recording medium, and at least a second recording unit provided at a downstream side in a |
| 7511727 |
Fixation heater control method and image formation device |
March 31, 2009 |
| The present invention employs novel phase control for a fixing heater, which uses first and second heaters, to reduce the generation of a higher harmonic wave current and a power line terminal noise. With four consecutive half wavelengths (two cycles) of a power supply voltage employ |
| 7481525 |
Ink-jet water-based ink, ink-jet recording method, ink cartridge and ink-jet recording apparatus |
January 27, 2009 |
| The invention provides an ink-jet water-based ink that can stably record images having high fastness properties and excellent quality over a long period of time even in any case, and further provides an ink-jet recording method, by which images having excellent fastness properties an |
| 7481524 |
Ink for inkjet recording, method of inkjet recording, ink cartridge and inkjet recording apparat |
January 27, 2009 |
| In the present invention, an inkjet recording ink can be provided, which ink can record stably an image with good fastness and elegant-quality over a long period in any conditions. The ink includes a high-molecular dispersant, a water-insoluble colorant, water-soluble organic solvent and |
| 7477416 |
Printing method and printing apparatus for printing on a label sheet |
January 13, 2009 |
| A printing method and apparatus can continuously print on a plurality of labels at a correct position without reducing throughput. Upon printing an image on labels stuck on a roll-shaped continuous sheet with a predetermined interval while reciprocally scanning a printhead, the print |
| 7424260 |
Thermal fixing device and image forming device |
September 9, 2008 |
| The contact rate between a heater 1 and a heater holder 2 is made higher at both ends in the longitudinal direction of the heater than at the center. Alternatively, the per-unit-length volume of the heater holder 2 in the longitudinal direction is made larger at the both ends in the |
| 7413360 |
Sheet cutting apparatus, sheet aftertreatment apparatus having the same, and image forming appar |
August 19, 2008 |
| A sheet cutting apparatus including: a cutting blade for cutting a sheet to be cut, which includes a sheet or a sheet stack; and a transport devices capable of holding and rotating the sheet to be cut to cause an end portion of the sheet to be cut to be opposed to the cutting blade and |
| 7413179 |
Bookbinding apparatus, bookbinding system and image formation processing system |
August 19, 2008 |
| In a bookbinding apparatus, an adhesive applying portion applies an adhesive to an end face of a sheet bundle allowed to stand in the substantially vertical direction, a storage portion that gathers and stores the sheet bundle which is applied with the adhesive and bound in the adhes |
| 7407258 |
Ink jet recording method, recording apparatus, and recorded object |
August 5, 2008 |
| In an ink jet recording apparatus, it is detected whether or not an ejection has been performed at least one time while printing an image, with respect to each nozzle, within a predetermined period (preliminary on-paper ejection cycle corresponding to the checking area C1), and the n |
| 7399059 |
Ink jet printing apparatus, ink jet printing method, information processing device and program |
July 15, 2008 |
| An ink jet printing apparatus having excellent throughput can continue a printing operation without interruption if one or more line heads falls into an unprintable state when the apparatus is printing images of the same color using a plurality of line heads. For this purpose, image data |
| 7392983 |
Sheet post-processing unit and image forming apparatus |
July 1, 2008 |
| There is provided a sheet post-processing unit and image forming unit, which is capable of stably conveying sheets discharged one after another to a tray to form a bundle of sheets and to staple the bundle. A sheet conveying means is provided for selectively conveying the sheet to be |
| 7377511 |
Sheet stacking apparatus |
May 27, 2008 |
| A sheet stacking apparatus including a first tray on which sheets discharged form an outlet are stacked, the first tray being movable between a stacking position at which sheets discharged from an outlet are stacked and a first retracted position above the staking position; a second |
| 7354036 |
Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
April 8, 2008 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7354034 |
Sheet processing apparatus and image forming apparatus equipped with same |
April 8, 2008 |
| A sheet processing apparatus is provided with a processing tray on which sheets are to be stacked and subjected to a processing, a stack tray provided in the downstream of the processing tray with respect to the sheet conveying direction on which sheets are to be stacked, an oscillat |
| 7347520 |
Inkjet printing apparatus and information processing method |
March 25, 2008 |
| Ink viscosity information of an inkjet printing apparatus can be provided at low cost in small space. The inkjet printing apparatus performs image printing by using a printhead with a plurality of nozzles from which ink is discharged. This inkjet printing apparatus includes a switching u |
| 7313339 |
Image forming device and controlling method thereof |
December 25, 2007 |
| The temperature "t" sensed at the end in the longitudinal direction of a heater is compared with a threshold Th and, based on the comparison result, the print speed (throughput) is controlled. The threshold Th is switched according to a predetermined condition. For example, whether the |
| 7300046 |
Sheet processing apparatus and image forming apparatus having the same |
November 27, 2007 |
| A sheet processing apparatus including a first sheet stacking portion for stacking sheets thereon, a second sheet stacking portion provided downstream of the first sheet stacking portion with respect to a sheet conveying direction, a sheet holding device for holding the sheets stacke |
| 7275816 |
Ink tank package and method of unsealing such ink tank package |
October 2, 2007 |
| An object of the present invention is to provide an ink tank package that allows an ink tank to be unloaded and unsealed without a user's worrying about spattering of the ink. The ink tank package according to the present invention includes an ink tank and a package. The package incl |
| 7266337 |
Fixing roller, and method of producing the same, fixing device and image forming device |
September 4, 2007 |
| A coil spring 60 is provided in an empty room (inside of a fixing roller 50) of a main body 52 of a roller. The coil spring 60 is in contact with an inside wall 52a surrounding the empty room of the roller main body 52 and pushes the inside wall 52a outward. The coil spring 60 and the in |
| 7264236 |
Sheet processing apparatus and image forming apparatus having such sheet processing apparatus |
September 4, 2007 |
| A pressing member is provided on a shutter member provided in a main body of an apparatus and adapted to open and close a folded sheet discharging port upon upward and downward shifting movement of sheet stacking means in such a manner that, after folding processing is performed by foldi |
| 7263327 |
Image forming apparatus |
August 28, 2007 |
| ProblemThe object is to provide an image-forming apparatus which is capable of releasing the heat generated in the apparatus without incorporating a fan.Means for Solving the ProblemThree ribs 17 are provided to rise on the surface of a recording sheet-receiving tray 16 and to extend |
| 7263326 |
Paper feed cassette for image forming apparatus |
August 28, 2007 |
| Storage box for storing stacked recording mediums comprises a two-part structure consisting of in-apparatus mounting portion and out-apparatus mounting portion which are coupled via a rotational support mechanism. In-apparatus mounting portion and out-apparatus mounting portion of st |
| 7252359 |
Inkjet recording device and recovery processing method |
August 7, 2007 |
| An inkjet recording device according to the present invention performs preliminary ejection, not at an interval of fixed time but at a time detected by the inkjet recording device, to reduce the number of preliminary ejection for high-quality image recording or to reduce the number o |
| 7232211 |
Inkjet recording ink, inkjet recording method, ink cartridge, and inkjet recording system |
June 19, 2007 |
| An inkjet recording ink is composed of an encapsulated water-insoluble colorant encapsulated with a high-molecular dispersant, a water-soluble organic solvent, and water. The water-insoluble colorant is at least one colorant selected from the group consisting of C.I. Solvent Yellow 21, |
| 7216969 |
Image recording method |
May 15, 2007 |
| An image recording method for causing an ink to adhere on a recording medium, which provides with at least one ink-receiving layer on a base material to form an image. The ink is an inkjet recording ink, which composed of a high molecular dispersant, a water-insoluble colorant, a wat |
| 7216965 |
Inkjet printer ink |
May 15, 2007 |
| A water-based inkjet printer ink contains at least a colorant and a resin. The resin is a block copolymer, which contains at least one hydrophilic block and at least one hydrophobic block. Each of the blocks is a vinyl ether polymer, wherein said block copolymer is obtained by polymerizi |
| 7192020 |
Sheet processing apparatus for storing supplied sheets while preceding sheet are processed |
March 20, 2007 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7185883 |
Sheet treating apparatus and image forming apparatus |
March 6, 2007 |
| A sheet treating apparatus including, a conveying device for conveying sheets, a sheet stack tray for stacking the sheets conveyed by the conveying device, a sensor detecting the sheets conveyed to the sheet stack tray, a pressure-contact conveying device for conveying the sheets on |
| 7184501 |
Method of synchronous serial communication and system for synchronous serial communication |
February 27, 2007 |
| A method and system for serial communication capable of increasing the speed of the transmission of serial data are provided. A block mode is employed if transmission of serial data having a specific length is required, and under which data to be transmitted are divided into plural b |
| 7175252 |
Ink jet printing apparatus and ejection recovery method for printing head |
February 13, 2007 |
| An example conventional method of avoiding a printing failure caused by residual bubbles in a print head involves counting from an initiation of a printing operation the accumulated number of print dots formed by the entire print head and, when the count value reaches a predetermined |
| 7172261 |
Recovering apparatus for recovering a status of an ink jet recording head |
February 6, 2007 |
| A printer includes an ink jet head, a recovery unit, a moving unit, a conveying unit and a cover. The ink jet head performs printing on a printing medium and has an ink ejection port on an ejection port forming surface. The recovery unit is used for a recovery process for maintaining |
| 7092656 |
Developing apparatus and image-forming apparatus |
August 15, 2006 |
| A developing apparatus prevents magnetic toner rise on the peripheral face of the developing sleeve to avoid scatter of magnetic toner even when a gap is caused between the developing blade and the magnetic sealing member. A magnetic plate of a base part and a protruding part, where the |
| 7080835 |
Sheet discharging apparatus, and sheet treating apparatus and image forming apparatus using the |
July 25, 2006 |
| Disclosed is a sheet discharging apparatus including a charge eliminating member which is provided downstream a pair of swinging rollers for discharging a sheet, and is directed along a sheet discharging direction from its upstream side toward its downstream side. In the sheet discha |
| 7062191 |
Image forming device including AC loads driven by an AC power supply |
June 13, 2006 |
| A printer (image forming device) (10), which includes AC loads driven by an AC power, is connected to an external device (30) via a single power line for a logic operation and a signal line. More specifically, a printer driver (11) and an engine controller (13) operate on a 5V power |
| 7025517 |
Detecting the print positions of a printing medium and keeping constant positions |
April 11, 2006 |
| There is provided a printer capable of accurately detecting the print positions of a printing medium and keeping print positions where data are printed constant. A printer according to this invention can accurately detect the print positions of a printing medium and keep positions where |
| 7014289 |
Image forming device |
March 21, 2006 |
| A head (101) prints a predetermined test pattern under the control of a head control unit (204) in order to precisely detect a head deviation when a head has been changed, the printed test pattern is read by a sensor 110 and detected by a pattern detector (209). Every time an interru |
| 6997449 |
Sheet processing apparatus and image forming apparatus having such sheet processing apparatus |
February 14, 2006 |
| A pressing member is provided on a shutter member provided in a main body of an apparatus and adapted to open and close a folded sheet discharging port upon upward and downward shifting movement of sheet stacking means in such a manner that, after folding processing is performed by foldi |
| 6977112 |
Non-contact information recording medium for ink-jet recording and image forming process |
December 20, 2005 |
| Disclosed herein is a non-contact information recording medium for ink-jet recording, on and from which information can be recorded and read in a non-contact state from the outside, comprising an electronic information storing circuit part and an image recording part, wherein at least pa |
| 6957037 |
Image reading apparatus and image forming apparatus having the same |
October 18, 2005 |
| This present invention provides an image reading apparatus aiming at improving its operability while saving the cost and an image forming apparatus provided with the same. Sponges for pressing a pressing plate against a platen glass are constituted of nine sponges. Then, restoration |
| 6871936 |
Recovering apparatus for recovering a status of an ink jet recording head |
March 29, 2005 |
| In a recovering apparatus for recovering ink ejecting ports forming a plane of an ink jet head, an ink absorbing member is disposed inward of a cap and proximate to the ink ejecting ports, facing the ink ejecting ports at a predetermined distance therefrom. Large ink droplets or water dr |
| 6846280 |
Sheet post-processing device and image forming apparatus having the same |
January 25, 2005 |
| A sheet post-processing apparatus includes a pair of folding rollers for folding a transported sheet stack by rotation while nipping the sheet stack, a pushing plate for pushing the transported sheet stack into the folding rollers by advancing and retreating relative to the folding r |
| 6837563 |
Method and device for image processing |
January 4, 2005 |
| A method and device for image processing free from full loss of an entire vector in a halftone image relatively low in density. An N*N mask matrix is generated for a given density, based on an N*N dither matrix used in an area gradation method which represents a halftone image with binar |
| 6817694 |
Ink jet system image forming device |
November 16, 2004 |
| An image-forming heater element 52 and a recovery ejection heater element 54 are driven to generate heat at the timing in which a bubble may formed in the nozzle owing to temperature difference between the inside of a printing head 22 and the environment. Thereby, a large quantity of ink |
