Patents by Inventor Tadasu Yatabe

Tadasu Yatabe 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: 4668046
    Abstract: A transmission type projection multi-screen apparatus includes a frame, a plurality of transmission type screen units closely arranged in the frame thereby to form a multi-screen, a plurality of projectors at the rear of the screen units for projecting lights of a picture image to the screen units, respectively, and means fixed to the frame for supporting the screen units. The supporting means is placed substantially in a dead angle of the lights.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: May 26, 1987
    Assignee: YUP Company, Ltd.
    Inventors: Yoshio Yatabe, Tadasu Yatabe