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| Number | Title | Issue Date |
| 8177899 | Non-aqueous pigment ink A non-aqueous pigment ink comprising a pigment, a pigment dispersant and a non-aqueous solvent, wherein the non-aqueous solvent comprises an alcohol solvent, a fatty acid ester solvent and a hydrocarbon solvent, the alcohol solvent comprises a saturated branched alc... | 05/15/2012 |
| 8172352 | Printing apparatus having line-type ink jet head and method of printing images by line-type ink jet head A printing apparatus is provided with a line-type ink jet head having a plurality of blocks on each of which a set of ink ejection elements are arranged. A drive signal generating unit is configured to generate a drive voltage signal including a prepulse to be appli... | 05/08/2012 |
| 8172218 | Paper feed system In a paper feed system where a first paper feed mechanism takes out and transfers one by one a plurality of papers placed on a paper feed table in a stack and a second paper feed mechanism transfers the papers transferred by the first paper feed mechanism to an imag... | 05/08/2012 |
| 8164807 | Image recording apparatus and control method for same An image recording apparatus, comprising: an image recording unit which has a recording head for recording process to a recording medium; a transport mechanism which transports the recording medium; an ascent/descent mechanism which comprises an ascent/descent drive... | 04/24/2012 |
| 8162474 | Image forming apparatus An image forming apparatus includes a circulating transfer path for transferring a sheet. The image forming apparatus is capable of forming images on both surfaces of the sheet by: transferring the sheet having an image formed on a first surface thereof along the ci... | 04/24/2012 |
| 8141971 | Image recording apparatus An image recording apparatus includes a recording section having a head holding member holding a plurality of head units ejecting ink, and a position adjusting mechanism including position adjusting members, each being provided for each head unit, for adjusting a po... | 03/27/2012 |
| 8141872 | Printing apparatus having discharge speed control A printing apparatus comprises: a first paper discharge roller unit 411 and a second paper discharge roller unit 412 which are configured to transport a print sheet to a discharge port; a upper transportation roller unit 401 configured to transp... | 03/27/2012 |
| 8137449 | Inkjet ink An inkjet ink is provided, which is hardly wettable to the surface of nozzle plates, and thus is stably ejected and is prevented from staining images. The inkjet ink is an oil-based inkjet ink which contains at least a pigment, a pigment-dispersing agent and a solve... | 03/20/2012 |
| 8136906 | Image recording apparatus and ink amount calculation method for this image recording apparatus An image forming apparatus calculates an ink temperature considering a thermal capacity near nozzles and an ink circulation flow quantity of a circulation pump in addition to an ink temperature when flowing into a recording head and an ink temperature when flowing o... | 03/20/2012 |
| 8132901 | Inkjet printer An inkjet printer includes: an ink recycling path that recycles ink; an ink head 1 that performs printing by discharging the recycled ink; an ink supplying port that supplies ink from the ink recycling path to the inside of the ink head while controlling the ... | 03/13/2012 |
| 8128745 | Emulsion ink and method for producing same An emulsion ink capable of generating a printed image quality having favorable print density and a favorable matte finish. A water-in-oil emulsion ink having an oil phase and a water phase, wherein the ink has a first water phase comprising a colorant and a second w... | 03/06/2012 |
| 8121510 | Printer with duplex circulation route speed control For a sheet circulating transfer route that includes a sheet transfer portion of a printing mechanism provided with a transfer belt for transfer of a sheet as positioned thereto, a transfer section provided with drive rollers for transfer of a sheet as image-formed ... | 02/21/2012 |
| 8100500 | Ink jet printer having ink maintenance system controlling maintenance in accordance with the ink viscosity by use of a simple structure An ink jet printer is provided with an ink circulation route which includes an ink jet head, an ink supply tank and an ink collection tank. A measuring unit obtains a value indicative of the flow resistance measured when ink flows from the ink supply tank to the ink... | 01/24/2012 |
| 8094968 | Image creating method and image creating system For a halftone representation of a grayscale data of an original image of P tones, an output resolution, a screen ruling frequency, and a screen angle are based to set a basic array of L×L pixels, where L is an integer greater than 1, and a number N of tones reprod... | 01/10/2012 |
| 8079682 | Inkjet recording device An inkjet recording device has an ink tank, a reservoir and an ink head, forms an ink supplying system by connecting with a path between the ink tank and the reservoir and between the reservoir and the ink head respectively, and forms a meniscus by generating a nega... | 12/20/2011 |
| 8075113 | Connection mechanism and ink supply apparatus equipped with connection mechanism When a second cylindrical unit 38 of a second connection unit 11 is pushed into a first cylindrical unit 16 of a first connection unit 15, a sliding member 23 moves along an axis member. With the timing, the position of a moving ap... | 12/13/2011 |
| 8075081 | Adjusting method for use in recording apparatus, recording apparatus This invention provides an adjusting method for use in a recording apparatus having a configuration where head units, in each of which a plurality of recording heads are arranged in a direction (main scanning direction) orthogonal to a moving direction (sub-scanning... | 12/13/2011 |
| 8070248 | Image forming apparatus and control method of the same An image forming apparatus performs an image forming operation by driving a ejecting element of a recording head with an ink ejecting drive voltage for ejecting ink, detects a temperature of ink to be flown into the recording head and a temperature of ink to be disc... | 12/06/2011 |
| 8047542 | Printing apparatus capable of handling paper size error In a printing apparatus, even when the measured paper size differs from the scheduled size, it is possible to reduce the frequency of requiring a recovery procedure, and prevent the productivity from decreasing by continuing the operation of the printing apparatus a... | 11/01/2011 |
| 8042896 | Ink jet printer having ink maintenance system An ink jet printer performs a print process by ejecting ink for each of a plurality of ink colors. When a predetermined first circulation time elapses after starting the ink circulation, an ink agitating operation drive signal generation unit applies an ink agitatin... | 10/25/2011 |
| 8040534 | Image processing method and apparatus comprising an image processing in which a RIP process is performed on original image data An image processing method in which a RIP process is performed on original image data to obtain raster data with a first resolution, and a smoothing process is performed through oversampling the obtained raster data to generate output image data with a second resolu... | 10/18/2011 |
| 8038784 | Non-aqueous pigment ink and non-aqueous pigment ink set A non-aqueous pigment ink comprising a pigment, a pigment dispersant and a non-aqueous solvent, wherein the pigment dispersant comprises a copolymer of vinylpyrrolidone and an alkene of 10 to 40 carbon atoms. ... | 10/18/2011 |
| 8038144 | Image forming apparatus In an image forming apparatus, a sheet reversing mechanism is configured to take over and transfer, at a transfer speed Vr, a print sheet with an image already formed on one side being transferred at the transfer speed Vr from a first transfer mechanism, to stop the... | 10/18/2011 |
| 8020844 | Printer and control method for printer A setting acceptor is operable to accept printing settings for a current printing job, including a setting of a first printing condition involving a confirmation print to print a copy set of sorted pages before a temporary pause waiting for a continuation instructio... | 09/20/2011 |
| 8011298 | System for supplying ink and ink container In an ink supply method and system and an ink container where the ink is automatically supplied in the stencil printing, to permit suitable detection of empty of the ink container even if the kind of ink which has not been set is employed. A parameter representing a... | 09/06/2011 |
| 8006976 | Paper feed system In a paper feed system where a first paper feed mechanism takes out and transfers one by one a plurality of papers placed on a paper feed table in a stack and a second paper feed mechanism transfers the papers transferred by the first paper feed mechanism to an imag... | 08/30/2011 |
| 7999215 | Image reading apparatus having dual white reference plate and image reading method for effectively performing shading compensation When reading the first document sheet, light intensity reference data is acquired by sampling a white reference plate while acquiring light intensity reference auxiliary data indicative of the light intensity of a light source lamp by sampling an auxiliary white ref... | 08/16/2011 |
| 7980683 | Inkjet printer with ink recycling amount changing units In an inkjet printer where an ink recycling path for recycling ink is formed by connecting among an ink head, an upstream tank, and a downstream tank, the inkjet printer includes a temperature detecting unit that detects a temperature of recycling ink, a temperature... | 07/19/2011 |
| 7976018 | Discharged-sheet monitoring mechanism and method for printer A discharged sheet monitoring mechanism for a printer includes: a paper receiving tray configured to receive and stack discharged printed sheets thereon; a stack amount detector configured to detect a stack amount of discharged sheets stacked on the paper receiving ... | 07/12/2011 |
| 7963625 | Printer providing temperature equalization for plural color inks An inkjet printer performs printing by circulating cyan, magenta, yellow and black inks in their respective passages. The printer includes a heat exchanger which the passages enter together, and which is configured to promote the temperatures of the inks to be equal... | 06/21/2011 |
| 7955427 | Inkjet aqueous ink and printed item An inkjet aqueous ink that prevents paper deformation and exhibits superior print quality and latency. The inkjet aqueous ink contains not less than 15% by mass and not more than 40% by mass of a polyglycerol having an average polymerization degree of 4 or greater, ... | 06/07/2011 |
| 7950657 | Printing apparatus A printing apparatus includes: a printing mechanism forming an image on a sheet transferred in a sheet transfer route; a sheet feeding mechanism feeding sheets to the sheet transfer route; a register provided between the sheet feeding mechanism and the printing mech... | 05/31/2011 |
| 7874632 | Ink jet printer In order to settle a phenomenon that a quantity of jetted ink increases at the end of an image and a density increases in a shear-mode ink jet head, in a three-split driven head, a first group prints so that a diameter of a dot is reduced by reducing the quantity of... | 01/25/2011 |
| 7869072 | Printer device In a printer device, the page analysis controller causes the page analyzer to execute the page analysis processing preferentially on the print type print job data to the storage type print job data out of the print job data waiting for the page analysis processing s... | 01/11/2011 |
| 7837322 | Printing apparatus having decurling function A printing apparatus is provided with a circulation route through which a print sheet can be circulated a minimum number of times to avoid the overall print process time from being elongated. The circulation route includes an ordinary transportation route CR which t... | 11/23/2010 |
| 7819491 | Ink jet head driver An ink jet head driver including a control section that calculates a first head passing time required for the paper sheet from the leading edge to the tailing edge to pass the ink jet head, drives the piezoelectric element of the ink jet head for a predetermined tim... | 10/26/2010 |
| 7819056 | Method of and system for stencil printing and ink container In a stencil printing method where a plurality of kinds of ink containers filled with ink of different colors are installed in a system body of a stencil printer and the ink in the ink container is supplied to a printing drum to carry out stencil printing, to easily... | 10/26/2010 |
| 7812982 | Network printing system for proxy printing Desired application data can be printed in a desired printing condition even if a computer being used does not have appropriate application software or a printer driver installed therein. Each of proxy printing transmission units sends proxy printing request informa... | 10/12/2010 |
| 7799123 | Inkjet ink An inkjet ink is provided, which produces a print that does not stick to a print printed by a plane paper copier or a laser printer even when these prints are laid on each other with the printed surfaces thereof facing each other. The inkjet ink comprises at least a... | 09/21/2010 |
| 7767013 | Non-aqueous pigment ink A non-aqueous pigment ink includes a colorant and a non-aqueous solvent, wherein the colorant is a pigment complex of a pigment, a dispersant and a polymer compound, the polymer compound contains 2 or more primary and/or secondary amino groups within each molecule, ... | 08/03/2010 |
