Patents by Inventor Hirofumi Tomida

Hirofumi Tomida 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 processing device, image forming apparatus, and image forming system
    Patent number: 7954808
    Abstract: A shifting unit shifts a plurality of sheets discharged on a tray to a different position in a sheet width direction that is perpendicular to a sheet discharging direction in a set of sheets. A first width-direction aligning unit and a second width-direction aligning unit align both sides of the sheets in the sheet width direction. A leading-edge aligning unit aligns leading edges of the sheets in the sheet discharging direction.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: June 7, 2011
    Assignee: Ricoh Company, Limited
    Inventor: Hirofumi Tomida
  • Sheet processing device, image forming apparatus, and image forming system
    Publication number: 20100044958
    Abstract: A shifting unit shifts a plurality of sheets discharged on a tray to a different position in a sheet width direction that is perpendicular to a sheet discharging direction in a set of sheets. A first width-direction aligning unit and a second width-direction aligning unit align both sides of the sheets in the sheet width direction. A leading-edge aligning unit aligns leading edges of the sheets in the sheet discharging direction.
    Type: Application
    Filed: August 25, 2009
    Publication date: February 25, 2010
    Inventor: Hirofumi Tomida