Patents by Inventor Sumio Iwamura

Sumio Iwamura 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).

  • Sheet stacking apparatus and sheet stacking method
    Patent number: 7661671
    Abstract: In a sheet stacking apparatus, a pair of side members includes a pair of lower side members which is provided with an approximately same distance therebetween as a width of a planographic printing plate and limits a movement in the planographic printing plate width direction; and a pair of upper side members which are provided above the pair of lower side members, each of which is provided with a movable section movable in the planographic printing plate width direction, and on which tapered surfaces are formed facing each other in a generally V shape. The distance between the pair of upper side members is controlled by driving the movable sections of the pair of upper side members so as to prevent quality degradation caused by a thrown-in sheet scratching a stacked sheet.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: February 16, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Hiroyuki Yamazaki, Yoshikazu Hanada, Sumio Iwamura, Makoto Endo
  • SHEET STACKING APPARATUS AND SHEET STACKING METHOD
    Publication number: 20090057983
    Abstract: In a sheet stacking apparatus, a pair of side members includes a pair of lower side members which is provided with an approximately same distance therebetween as a width of a planographic printing plate and limits a movement in the planographic printing plate width direction; and a pair of upper side members which are provided above the pair of lower side members, each of which is provided with a movable section movable in the planographic printing plate width direction, and on which tapered surfaces are formed facing each other in a generally V shape. The distance between the pair of upper side members is controlled by driving the movable sections of the pair of upper side members so as to prevent quality degradation caused by a thrown-in sheet scratching a stacked sheet.
    Type: Application
    Filed: September 4, 2008
    Publication date: March 5, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki YAMAZAKI, Yoshikazu Hanada, Sumio Iwamura, Makoto Endo