Patents by Inventor Keiji Itoh

Keiji Itoh 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: 8090308
    Abstract: A continuous paper feed device includes a paper feed unit that feeds continuous paper to an image output part; a slack forming unit that forms a slack of continuous paper on a paper transport path; a detecting unit that detects a remaining amount of continuous paper; a cutting unit that cuts the continuous paper; and a cutting controller that controls the cutting unit to cut the continuous paper during a time taken to tighten the slack formed, when paper more than a predefined value which has been set beforehand is transported, and if the remaining amount of paper detected by the detecting unit is more than a threshold value, the cutting controller performing control operation including reducing a length of a slack formed by the slack forming unit and transporting the continuous paper, followed by forming a slack again by the slack forming unit.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: January 3, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Keiji Itoh
  • Patent number: 7894763
    Abstract: An image forming apparatus includes at least one paper supply portion including a roll paper accommodating portion adapted to accommodate a paper roll constituted by winding long paper around a shaft, a roll paper holding portion on which the paper roll is temporarily put, a paper feeding portion adapted to deliver paper from the paper roll accommodated on the roll paper accommodating portion, a horizontal rotating-shaft adapted to support the paper supply portion in a body of the image forming apparatus, the paper supply portion drawn outwardly from the body of the image forming apparatus by being rotated when change of the paper roll is performed, wherein the change of the paper roll can be performed by rotating the paper supply portion to thereby draw out the paper supply portion.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: February 22, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Keiji Itoh, Masanori Nagashima, Yoshihiro Saitoh, Hiroaki Mogi, Toshiyuki Kitamura, Toshikatsu Takahashi, Takeshi Tsuge
  • Publication number: 20090236385
    Abstract: A continuous paper feed device includes a paper feed unit that feeds continuous paper to an image output part; a slack forming unit that forms a slack of continuous paper on a paper transport path; a detecting unit that detects a remaining amount of continuous paper; a cutting unit that cuts the continuous paper; and a cutting controller that controls the cutting unit to cut the continuous paper during a time taken to tighten the slack formed, when paper more than a predefined value which has been set beforehand is transported, and if the remaining amount of paper detected by the detecting unit is more than a threshold value, the cutting controller performing control operation including reducing a length of a slack formed by the slack forming unit and transporting the continuous paper, followed by forming a slack again by the slack forming unit.
    Type: Application
    Filed: October 6, 2008
    Publication date: September 24, 2009
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Keiji ITOH
  • Patent number: 7325989
    Abstract: A paper supply apparatus provided with a support component, a slit plate and a rotation force transmission component. The support component freely rotatably supports a winding core around which roll paper is wound. The slit plate rotates integrally or interlockingly with the support component, and causes pulses to be generated at a sensor. The rotation force transmission component transmits a rotation force of the support component to the slit plate. At the rotation force transmission component, predetermined free play in a direction of rotation of the slit plate is provided.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: February 5, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Keiji Itoh
  • Publication number: 20070063086
    Abstract: An image forming apparatus includes at least one paper supply portion including a roll paper accommodating portion adapted to accommodate a paper roll constituted by winding long paper around a shaft, a roll paper holding portion on which the paper roll is temporarily put, a paper feeding portion adapted to deliver paper from the paper roll accommodated on the roll paper accommodating portion, a horizontal rotating-shaft adapted to support the paper supply portion in a body of the image forming apparatus, the paper supply portion drawn outwardly from the body of the image forming apparatus by being rotated when change of the paper roll is performed, wherein the change of the paper roll can be performed by rotating the paper supply portion to thereby draw out the paper supply portion.
    Type: Application
    Filed: April 6, 2006
    Publication date: March 22, 2007
    Inventors: Keiji Itoh, Masanori Nagashima, Yoshihiro Saitoh, Hiroaki Mogi, Toshiyuki Kitamura, Toshikatsu Takahashi, Takeshi Tsuge
  • Publication number: 20070003353
    Abstract: A paper supply apparatus provided with a support component, a slit plate and a rotation force transmission component. The support component freely rotatably supports a winding core around which roll paper is wound. The slit plate rotates integrally or interlockingly with the support component, and causes pulses to be generated at a sensor. The rotation force transmission component transmits a rotation force of the support component to the slit plate. At the rotation force transmission component, predetermined free play in a direction of rotation of the slit plate is provided.
    Type: Application
    Filed: October 26, 2005
    Publication date: January 4, 2007
    Inventor: Keiji Itoh
  • Patent number: 5119056
    Abstract: A projection yoke has a main deflection yoke with main vertical and horizontal coils wound on a coil separator and an auxiliary deflection yoke attached to a back surface of the coil separator. The auxiliary deflection yoke has pairs of auxiliary vertical and horizontal deflection coils wound toroidally on an annular core, the coils of each pair being opposite from each other with respect to the annular core and the two pairs being perpendicular to each other.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: June 2, 1992
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiji Itoh, Mamoru Motokura