Patents by Inventor Masaya Simmachi

Masaya Simmachi 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: 7165765
    Abstract: A sheet feeding apparatus for separating and feeding a plurality of sheets stacked on a sheet stacking portion one by one includes feeding means for feeding the plurality of sheets stacked on the sheet stacking portion, separation means for separating the sheets one by one by contacting to the sheets, returning means for returning the sheets to the sheet stacking portion, and separation force switching means for switching between generation and release of a separation force of the separation means. During a feeding operation, the feeding operation is switchable between a separating mode in which the separation force for a sheet is generated by the separation means and a conveying mode in which the separation force is released.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: January 23, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinya Sonoda, Nozomu Nishiberi, Masaya Simmachi
  • Publication number: 20040041331
    Abstract: A sheet feeding apparatus for separating and feeding a plurality of sheets stacked on a sheet stacking portion one by one includes feeding means for feeding the plurality of sheets stacked on the sheet stacking portion, separation means for separating the sheets one by one by contacting to the sheets, returning means for returning the sheets to the sheet stacking portion, and separation force switching means for switching between generation and release of a separation force of the separation means. During a feeding operation, the feeding operation is switchable between a separating mode in which the separation force for a sheet is generated by the separation means and a conveying mode in which the separation force is released.
    Type: Application
    Filed: June 2, 2003
    Publication date: March 4, 2004
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shinya Sonoda, Nozomu Nishiberi, Masaya Simmachi