Patents by Inventor Mitsuaki Toyama

Mitsuaki Toyama 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).

  • Color television camera having a test pattern projected through a non-incident prism plane
    Patent number: 4823187
    Abstract: A three tube type color television camera comprises an optical system using a prism for the three color separation in which an image of a test pattern is introduced into an optical path of the camera through the optical system. The optical system has an incident plane onto which the image of the test pattern is projected by a pattern projector closely located with respect to the incident plane.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: April 18, 1989
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Mitsuaki Toyama, Tameaki Ebihara, Syohei Kawai, Keizo Kono, Nobuo Shimoda