Patents by Inventor Tatsuyuki Seki

Tatsuyuki Seki 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: 4742369
    Abstract: In an electronic still camera, a solid-state imaging element and a photosensitive film which receive an object image and arranged on the optical path of an optical lens system. The object image is simultaneously formed on the solid-state imaging element and the photosensitive film upon depression of a shutter switch.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: May 3, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventors: Hiroshi Ishii, Tatsuyuki Seki, Eiji Nakazawa