Patents by Inventor Takuya Keino

Takuya Keino 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).

  • Patent number: 9446923
    Abstract: Provided is a sheet conveying apparatus including: a pair of rollers which includes an upper roller and a lower roller and conveys a sheet in a nipping manner; a driving unit which independently drives the upper roller and the lower roller; a conveying unit which is disposed at the upstream of the pair of rollers in the sheet conveying direction and conveys the sheet to the pair of rollers; an overlapping unit which is provided between the pair of rollers and the conveying unit and overlaps a subsequent sheet on a precedent sheet in the conveying direction; and a control unit which controls the driving unit, wherein the control unit controls the driving unit so that: the upper roller and the lower roller are driven before a leading end of the precedent sheet conveyed by the conveying unit reaches the pair of rollers and the driving of the upper roller and the lower roller is stopped before a tail end of the precedent sheet passes the pair of rollers; the pair of rollers is driven again before a leading end of
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: September 20, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatoshi Yoshida, Hiroharu Tsuji, Tomooku Koyama, Takuya Keino, Junichi Ochi
  • Patent number: 9309075
    Abstract: A conveying portion includes a pair of superimposing rollers and a controller which controls the rotation of the pair of superimposing rollers, wherein the controller controls a rotation of a pair of conveying rollers so that a tail end of a first sheet passes a nip portion between the pair of conveying rollers by conveying the first sheet to the downstream side before a leading end of a third sheet superimposed on a second sheet reaches the nip portion between the pair of conveying rollers nipping the first sheet and the second sheet superimposed on the first sheet.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: April 12, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junichi Ochi, Hiroharu Tsuji, Tomooku Koyama, Takuya Keino
  • Patent number: 8938194
    Abstract: An image heating apparatus includes an endless belt; a heater, provided in an interior of the endless belt, for heating the endless belt; a back-up member contacted to an inner surface of the endless belt; a pressing member for forming a nip for nipping and feeding a recording material together with the back-up member through the endless belt; and a protecting member, provided surrounding the heater in the interior of the endless belt and rotatable around the heater, the protecting member includes a shield portion for blocking between the endless belt and the heater and an opening, arranged in a circumferential direction of the protecting member.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: January 20, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Keino, Hiroshi Sahara
  • Publication number: 20140284875
    Abstract: A conveying portion includes a pair of superimposing rollers and a controller which controls the rotation of the pair of superimposing rollers, wherein the controller controls a rotation of a pair of conveying rollers so that a tail end of a first sheet passes a nip portion between the pair of conveying rollers by conveying the first sheet to the downstream side before a leading end of a third sheet superimposed on a second sheet reaches the nip portion between the pair of conveying rollers nipping the first sheet and the second sheet superimposed on the first sheet.
    Type: Application
    Filed: October 5, 2012
    Publication date: September 25, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Junichi Ochi, Hiroharu Tsuji, Tomooku Koyama, Takuya Keino
  • Publication number: 20140239580
    Abstract: Provided is a sheet conveying apparatus including: a pair of rollers which includes an upper roller and a lower roller and conveys a sheet in a nipping manner; a driving unit which independently drives the upper roller and the lower roller; a conveying unit which is disposed at the upstream of the pair of rollers in the sheet conveying direction and conveys the sheet to the pair of rollers; an overlapping unit which is provided between the pair of rollers and the conveying unit and overlaps a subsequent sheet on a precedent sheet in the conveying direction; and a control unit which controls the driving unit, wherein the control unit controls the driving unit so that: the upper roller and the lower roller are driven before a leading end of the precedent sheet conveyed by the conveying unit reaches the pair of rollers and the driving of the upper roller and the lower roller is stopped before a tail end of the precedent sheet passes the pair of rollers; the pair of rollers is driven again before a leading end of
    Type: Application
    Filed: December 4, 2012
    Publication date: August 28, 2014
    Inventors: Masatoshi Yoshida, Hiroharu Tsuji, Tomooku Koyama, Takuya Keino, Junichi Ochi