Patents by Inventor Atsuo Nishijima

Atsuo Nishijima 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).

  • Image reader
    Patent number: 6320679
    Abstract: An image scanner of a document incorporated a transparent member on a lower surface for passing reading and reflecting light while preventing entry of dust and foreign matter into the scanner housing. The transparent member is disposed so that at least the area which passes reflected light is located outside of the depth of field of the scanner optical system.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: November 20, 2001
    Assignee: Omron Corporation
    Inventors: Atsushi Noda, Haruyuki Koizumi, Atsuo Nishijima, Yuji Ohtsuka
  • Image reader
    Patent number: 5434680
    Abstract: An image scanner for a document incorporates a transparent member on a lower surface for passing reading and reflecting light while preventing entry of dust and foreign matter into the scanner housing. The transparent member is disposed so that at least the area which passes reflected light is located outside of the depth of field of the scanner optical system.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: July 18, 1995
    Assignee: Omron Corporation
    Inventors: Atsushi Noda, Haruyuki Koizumi, Atsuo Nishijima, Yuji Ohtsuka