Patents by Inventor Ken Iguchi

Ken Iguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SHADING DEVICE FOR IMAGE READING SECTION
    Publication number: 20130003138
    Abstract: A shading device includes: a shading member to pass a conveying path for conveying a recoding medium to plural image reading sections and reach the plural image reading sections; and a moving member to move the shading member between the plural image reading sections and a retracted position on the outside of the conveying path.
    Type: Application
    Filed: May 30, 2012
    Publication date: January 3, 2013
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki Sugizaki, Hidetoshi Yokochi, Hiroyuki Tsuchihashi, Isao Yahata, Takahiro Kawaguchi, Ken Iguchi, Kikuo Mizutani, Hiroyuki Taki, Chiaki Ilzuka, Toshiaki Oshiro, Hiroyuki Hazu, Yoichi Yamaguchi, Hiroyuki Sugiyama, Yuichi Saito, Jun Ishii
  • ERASING APPARATUS FOR SHEET AND ERASING METHOD FOR SHEET
    Publication number: 20130002782
    Abstract: According to one embodiment, an erasing apparatus for a sheet includes a conveying path configured to convey a sheet on which an image is formed with a coloring agent that is erased by heating, a first erasing section including, on an upstream side of the conveying path, a first heating member provided on one surface side of the sheet and a first rotating roller provided to be opposed to the first heating member, and a second erasing section including, on a downstream side of the first erasing section, a second heating member provided on the other surface side of the sheet and a second rotating roller provided to be opposed to the second heating member.
    Type: Application
    Filed: May 30, 2012
    Publication date: January 3, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takahiro KAWAGUCHI, Yoshiaki SUGIZAKI, Hiroyuki TAKI, Isao YAHATA, Ken IGUCHI, Kikuo MIZUTANI, Hiroyuki TSUCHIHASHI, Chiaki IIZUKA, Hidetoshi YOKOCHI, Toshiaki OSHIRO, Hiroyuki HAZU, Yoichi YAMAGUCHI, Hiroyuki SUGIYAMA
  • ERASING APPARATUS AND ERASING METHOD
    Publication number: 20130002783
    Abstract: According to one embodiment, an erasing apparatus includes a paper feeding unit configured to feed a sheet having an image recorded, an erasing unit including a pressing roller and a heater that has a shape following the outer circumference of the pressing roller and includes a contact area with the pressing roller, the erasing unit being configured to erase the image formed on the sheet fed to a contact section of the pressing roller and the heater from the paper feeding unit, a temperature detecting unit configured to detect the temperature of the heater, a controller configured to control the heater according to the temperature detected by the temperature detecting unit, and a paper discharge unit configured to discharge the sheet on which the image is erased by the erasing unit.
    Type: Application
    Filed: June 20, 2012
    Publication date: January 3, 2013
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Kikuo MIZUTANI, Isao YAHATA, Takahiro KAWAGUCHI, Yoshiaki SUGIZAKI, Ken IGUCHI, Hiroyuki TAKI, Hiroyuki TSUCHIHASHI, Chiaki IIZUKA, Hidetoshi YOKOCHI, Toshiaki OSHIRO, Hiroyuki HAZU, Yoichi YAMAGUCHI, Hiroyuki SUGIYAMA, Yuichi SAITO, Jun ISHII
  • SHEET LOADING APPARATUS, ERASING APPARATUS, AND SHEET LOADING METHOD
    Publication number: 20130003134
    Abstract: A sheet loading apparatus includes a loading member which loads the sheet discharged by the discharge member, a tip support member which abuts against the leading edge of the sheet discharged by the discharge member in the sheet discharge direction, a rotation member which abuts against an upper surface of the sheet discharged to the loading member, and is rotated to transport the sheet to the stopper side, and a control section which controls a transport amount of the sheet through the rotation member based on a loading amount of the sheet loaded on the loading member.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki HAZU, Ken IGUCHI, Yuichi SAITO, Isao YAHATA, Takahiro KAWAGUCHI, Yoshiaki SUGIZAKI, Kikuo MIZUTANI, Hiroyuki TAKI, Hiroyuki TSUCHIHASHI, Chiaki IIZUKA, Hidetoshi YOKOCHI, Toshiaki OSHIRO, Yoichi YAMAGUCHI, Hiroyuki SUGIYAMA, Jun ISHII
  • SHEET FEED APPARATUS AND SHEET FEED METHOD
    Publication number: 20120319348
    Abstract: A sheet feed apparatus which includes a sheet feed tray in which a plurality of sheets is loaded in piles; a sheet feed roller which is provided at a forward position of the sheet feed tray in a sheet feed direction, and sends the loaded sheets inside thereof; and a lift detection sensor which detects, by using a movable lever, a lift of a sheet bundle which occurs when the sheet bundle, of which a rear or a side in a sheet feed direction is bound, is sent by the sheet feed roller therein, the lift detection sensor being provided at a side position of the sheet bundle in a width direction and at a backward position with respect to the center of the sheet bundle in the sheet feed direction.
    Type: Application
    Filed: June 15, 2012
    Publication date: December 20, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Toshiaki OSHIRO, Ken Iguchi, Isao Yahata, Kikuo Mizutani, Hiroyuki Taki, Chiaki Iizuka, Hidetoshi Yokochi, Yoshiaki Sugizaki, Takahiro Kawaguchi, Hiroyuki Tsuchihashi, Hiroyuki Hazu, Yoichi Yamaguchi, Hiroyuki Sugiyama, Yuichi Saito, Jun Ishii
  • DECOLORIZNG APPARATUS
    Publication number: 20120315591
    Abstract: An erasing apparatus of embodiments has a color erasing device, the color erasing device has: a first heating member; a second heating member provided at a position facing the first heating member so as to form a nip portion therebetween through which the sheet is passed; a halogen lamp configured to heat the second heating member from outside thereof; and a reflector provided at a position opposite to the second heating member with the halogen lamp interposed therebetween and having a reflective surface configured to reflect heat received from the halogen lamp toward the second heating member, the reflector forming a guiding section configured to be in sliding contact with the sheet being conveyed so as to guide the sheet to the nip portion, the guiding section being heated by the halogen lamp.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 13, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki TSUCHIHASHI, Kikuo Mizutani, Hidetoshi Yokochi, Isao Yahata, Takahiro Kawaguchi, Yoshiaki Sugizaki, Hiroyuki Taki, Ken Iguchi, Chiaki Iizuka
  • IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD
    Publication number: 20120306985
    Abstract: According to one embodiment, a first conveying path to form a conveying path from a sheet supply portion toward an ejector, a reader arranged on the first conveying path to read an image on a surface of the sheet, an erasure to erase the image on the sheet formed with image erasable material, a switching portion arranged on the first conveying path at a downstream side of the reader in a sheet conveying direction to switch the sheet conveying direction to a direction of the ejector or a direction of the erasure, and a second conveying path having the erasure which, at a position where the switching portion is arranged, branches from the first conveying path at the downstream side of the reader and merges with the first conveying path at a meeting point between the sheet supply portion and the reader.
    Type: Application
    Filed: June 1, 2012
    Publication date: December 6, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Ken IGUCHI, Hidetoshi Yokochi, Isao Yahata, Takahiro Kawaguchi, Yoshiaki Sugizaki, Kikuo Mizutani, Hiroyuki Taki, Hiroyuki Tsuchihashi, Chiaki Ilzuka
  • COLOR ERASING APPARATUS
    Publication number: 20120306982
    Abstract: According to one embodiment, a color erasing apparatus includes a color erasing section which erases a color of an image formed with an erasable color material on a sheet conveyed at first speed, a reading section which reads an image on the surface of the sheet conveyed at second speed higher than the first speed, a first conveying section, and a second conveying section. The first conveying section includes a first conveying roller arranged downstream in a sheet conveying direction of the color erasing section and conveys the sheet at the first speed. The second conveying section includes a second conveying roller arranged upstream in the sheet conveying direction of the reading section and in a position where the second conveying roller nips the conveyed sheet simultaneously with the first conveying roller. The second conveying section conveys the sheet to the reading section at the second speed.
    Type: Application
    Filed: February 20, 2012
    Publication date: December 6, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki TAKI, Hiroyuki Tsuchihashi, Takahiro Kawaguchi, Isao Yahata, Yoshiaki Sugizaki, Kikuo Mizutani, Ken Iguchi, Chiaki Ilzuka, Hidetoshi Yokochi, Toshiaki Oshiro, Hiroyuki Hazu, Yoichi Yamaguchi, Hiroyuki Sugiyama, Yuichi Saito
  • DISCHARGED SHEET ALIGNING DEVICE AND IMAGE ERASING APPARATUS INCLUDING THE SAME
    Publication number: 20120306144
    Abstract: According to one embodiment, a image erasing apparatus includes a paper feeding section configured to feed a sheet having a erasable image, a erasing section configured to erase the image, a paper discharge section including a paper discharge member configured to discharge, downstream in a conveying path of the erasing section, the sheet from which the image is erased and a paper discharge tray on which the discharged sheet is stacked, and a longitudinal alignment plate pivotably provided above the paper discharge tray and configured to align the leading end of the sheet stacked on the paper discharge tray.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 6, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki TAKI, Isao YAHATA, Takahiro KAWAGUCHI, Yoshiaki SUGIZAKI, Kikuo MIZUTANI, Ken IGUCHI, Hiroyuki TSUCHIHASHI, Chiaki IIZUKA, Hidetoshi YOKOCHI
  • SHEET DISCHARGING DEVICE AND ERASING DEVICE
    Publication number: 20120306984
    Abstract: According to an embodiment, a sheet discharging device includes: a first conveying path configured to guide a sheet to be conveyed; a second conveying path branched from the first conveying path at a branch point of the first conveying path; a sorting section configured to sort a sheet being conveyed on the first conveying path into either a downstream side of the branch point on the first conveying path or the second conveying path; a first discharge tray configured to receive a sheet discharged from the first conveying path at a first sheet loading surface; and a second discharge tray placed below the first discharge tray and configured to receive a sheet discharged from the second conveying path at a second sheet loading surface whose distance to the first sheet loading surface increases toward a downstream side thereof in a sheet discharging direction.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 6, 2012
    Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBA
    Inventors: Isao YAHATA, Kikuo Mizutani, Takahiro Kawaguchi, Yoshiaki Sugizaki, Ken Iguchi, Hiroyuki Taki, Hiroyuki Tsuchihashi, Chiaki Iizuka, Hidetoshi Yokochi, Toshiaki Oshiro, Hiroyuki Hazu, Yoichi Yamaguchi, Hiroyuki Sugiyama, Yuichi Saito
  • SHEET SORTING DEVICE AND SHEET SORTING METHOD
    Publication number: 20120307314
    Abstract: According to an embodiment, a first discharging unit and a second discharging unit discharge a sheet. A first conveying path extends from a scanning unit to the first discharging unit. A second conveying path branches off from the first conveying path at a branch point of the first conveying path and extends to the second discharging unit. A conveying member discharges the sheet to the first discharging unit when a discharging destination of the sheet is the first discharging unit, and the conveying member makes part of the sheet project from the first conveying path to the first discharging unit, locates an upstream tip end of the sheet in a sheet conveying direction, at a position downstream in the sheet conveying direction from the branch point, and conveys the sheet to switchback to the second conveying path, when the discharging destination of the sheet is the second discharging unit.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 6, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki SUGIZAKI, Hiroyuki TAKI, Hidetoshi YOKOCHI, Isao YAHATA, Takahiro KAWAGUCHI, Ken IGUCHI, Kikuo MIZUTANI, Hiroyuki TSUCHIHASHI, Chiaki IIZUKA, Toshiaki OSHIRO, Hiroyuki HAZU, Yoichi YAMAGUCHI, Hiroyuki SUGIYAMA, Yuichi SAITO
  • IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    Publication number: 20120275803
    Abstract: An image forming apparatus forms a stamp image with a stamp image developer having a color developing temperature at a color erasing temperature of an image forming developer, and forms a mask image with a mask image developer having a color re-developing temperature at a temperature not lower than a color re-developing temperature of the image forming developer. Accordingly, when a confidential document is color-erased, the stamp image develops color, and when the color-erased confidential document again develops color, it can not be read.
    Type: Application
    Filed: April 17, 2012
    Publication date: November 1, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki TAGUCHI, Isao Yahata, Takahiro Kawaguchi, Ken Iguchi, Hiroyuki Tsuchihashi, Hiroyuki Taki
  • Decolorizing device and method for controlling decolorizing device
    Patent number: 8292287
    Abstract: According to one embodiment, a decolorizing device includes a first stacker to stack sheets to be decolorized images on the sheets, a second stacker arranged adjacent to the first stacker, wherein the sheets stacked on the first stacker is kept waiting on the second stacker in order to be decolorized the images, a pressing unit to urge the sheets stacked on the second stacker downward and keep the sheets stacked on the second stacker flat, an image decolorizing unit to decolorize the images on the sheets, and a sheet feed unit positioned on an upper surface of the pressing unit to convey the sheets pressed on the pressing unit from the second stacker to the image decolorizing unit.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: October 23, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Ken Iguchi, Isao Yahata, Takahiro Kawaguchi, Hiroyuki Taguchi, Hiroyuki Tsuchihashi, Hiroyuki Taki
  • Image erasing apparatus and control method for image erasing apparatus
    Patent number: 8289353
    Abstract: An image erasing apparatus includes: a supply unit which supplies a recording medium; a collection unit which collects the recording medium supplied by the supply unit; plural carrying roller pairs which carry the recording medium supplied by the supply unit, toward the collection unit; a detection unit which acquires information about a metallic foreign matter adhering to the recording medium; a heating unit which heats the recording medium to a color erasing temperature of a developer or higher; and a carrying control unit which decelerates a rotation speed of the plural carrying roller pairs from a first speed to a second speed when the information about the metallic foreign matter is acquired by the detection unit.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: October 16, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Hiroyuki Taguchi, Isao Yahata, Ken Iguchi, Takahiro Kawaguchi, Hiroyuki Tsuchihashi, Hiroyuki Taki
  • Image forming apparatus having fixing device that responds to request when using decolorable ink
    Patent number: 8290386
    Abstract: An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: October 16, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi
  • SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD
    Publication number: 20120227557
    Abstract: A sheet processing apparatus includes a puncher disposed to make a hole in a sheet to be conveyed, a moving mechanism configured to move the puncher in the orthogonal direction to a conveyance path of the sheet, a sensor to detect a forward edge and a rear edge of the sheet conveyed into the puncher, and a controller configured to control the conveyance of the sheet and an operation of the puncher. The controller decelerates the sheet from a first conveying speed to a second conveying speed after the sensor detects the forward edge of the sheet, and stops the conveying of the sheet after the sensor detects the rear edge of the sheet, and executes a punching to the sheet.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 13, 2012
    Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBA
    Inventors: Ken Iguchi, Hiroyuki Tsuchihashi, Tetsuhiro Morita
  • Image erasing apparatus and image erasing method
    Patent number: 8260188
    Abstract: An image erasing apparatus includes a stacking tray stacking the recording medium, a heater heating the recording medium to a temperature equal to or higher than the temperature at which developer on the recording medium is erased, a detector disposed downstream in a recording medium carrying direction from the heater to detect an image on the recording medium, a recording medium carrying mechanism picking up the recording medium, from the stacking tray sheet by sheet and carrying the picked-up recording medium, a storage box storing the image-erased recording medium by size, a lateral aligning mechanism disposed in the storage box so as to align the recording medium in the lateral direction, and a controller controlling the alignment operation of the lateral aligning mechanism.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: September 4, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Isao Yahata, Takahiro Kawaguchi, Hiroyuki Taki, Ken Iguchi, Hiroyuki Tsuchihashi, Hiroyuki Taguchi
  • Image erasing apparatus
    Patent number: 8237758
    Abstract: An image erasing apparatus includes: a scanner which detects a side of a sheet on which an image is formed using a thermally decolorable coloring agent; a heat roller which provides heat for the sheet having the image formed thereon; and a controller which causes a quantity of heat provided for the sheet from the heat roller when an image forming side detected by the scanner does not face the heat roller to be greater than a quantity of heat provided for the sheet from the heat roller when the image forming side faces the heat roller.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: August 7, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Hiroyuki Taguchi, Ken Iguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
  • SHEET CONVEYING APPARATUS, ERASING APPARATUS, AND IMAGE FORMING APPARATUS
    Publication number: 20120188324
    Abstract: According to one embodiment, a sheet conveying apparatus includes: a guide section that forms a one side guide surface of a sheet conveying path, the guide section having a first guide member and a second guide member which are continuously arranged from a conveying direction upstream side to a conveying direction downstream side, at least one of the first guide member and the second guide member being a guide member that rotates to open and close; and a joint section that forms an uneven joint with a conveying direction downstream side end of the first guide member and a conveying direction upstream side end of the second guide member, the downstream side end of the first guide member being arranged further on an inner side than the upstream side end of the second guide member with respect to the sheet conveying path if at least one of the first guide member and the second guide member is closed.
    Type: Application
    Filed: November 11, 2011
    Publication date: July 26, 2012
    Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
    Inventors: Toshiaki Oshiro, Tetsuhiro Morita, Hiroyuki Hazu, Hitoshi Adachi, Ken Iguchi, Takahiro Kawaguchi
  • Sheet processing apparatus and sheet processing method
    Patent number: 8226077
    Abstract: There is provided a technique in which a retracting operation of a bundle of sheets from a stapler after a staple process can be stably performed irrespective of the number of sheets constituting the bundle of sheets or the transport resistance. When the bundle of sheets subjected to the staple process is moved by a stacker in a direction of retracting from the stapler, an alignment roller is caused to come in contact with the bundle of sheets held by the stacker and to assist the movement of the bundle of sheet.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: July 24, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Ken Iguchi, Chiaki Iizuka, Takahiro Kawaguchi, Shinichiro Mano