Patents by Inventor Masayuki Sekizuka

Masayuki Sekizuka 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: 9174819
    Abstract: A sheet stacking apparatus includes a lowering control unit to lower a sheet stacking portion, a determination unit, an acquisition unit, an identification unit, and a notification unit. The determination unit determines that the sheet stacking portion cannot be lowered by the lowering control unit. The acquisition unit acquires a position of the sheet stacking portion at which the determination unit determines that the sheet stacking portion cannot be lowered. The identification unit identifies an amount of sheets stackable on the sheet stacking portion without removing an obstacle placed under the sheet stacking portion based on the position acquired by the acquisition unit. The notification unit notifies the amount of sheets identified by the identification unit and an amount of sheets stackable on the sheet stacking portion after removal of the obstacle placed under the sheet stacking portion.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: November 3, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masayuki Sekizuka
  • Publication number: 20150166292
    Abstract: A sheet stacking apparatus includes a lowering control unit to lower a sheet stacking portion, a determination unit, an acquisition unit, an identification unit, and a notification unit. The determination unit determines that the sheet stacking portion cannot be lowered by the lowering control unit. The acquisition unit acquires a position of the sheet stacking portion at which the determination unit determines that the sheet stacking portion cannot be lowered. The identification unit identifies an amount of sheets stackable on the sheet stacking portion without removing an obstacle placed under the sheet stacking portion based on the position acquired by the acquisition unit. The notification unit notifies the amount of sheets identified by the identification unit and an amount of sheets stackable on the sheet stacking portion after removal of the obstacle placed under the sheet stacking portion.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 18, 2015
    Inventor: Masayuki Sekizuka