Patents by Inventor Yoichi Takaraga

Yoichi Takaraga 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 signal processing with suppression of background portion of image
    Patent number: 4975768
    Abstract: An image signal processing apparatus and method, in which a background part of an original image is discriminated in accordance with an input image signal, and a printer is controlled not to print an area which corresponds to the background part.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: December 4, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoichi Takaraga