Patents by Inventor Masako Watari

Masako Watari 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 reading apparatus with improved shading correction
    Patent number: 5099341
    Abstract: An image reading apparatus including a reading unit for reading image information upon movement and scanning, and an image forming unit for forming an image according to the image information from the reading unit, performs shading correction by utilizing a first white reference plate arranged along a direction perpendicular to the moving direction of the reading unit, and a second white reference plate arranged along the moving direction of the reading unit.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: March 24, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takefumi Nosaki, Masako Watari