Patents by Inventor Akio Sutoh

Akio Sutoh 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).

  • Head device for printer
    Patent number: 5781223
    Abstract: A print head for use in a printer has a light source, a pair of lenses, and a pair of light guides. The light source has five light-emitting diodes for emitting light through respective optical fibers of the light guide to the lens. The optical fibers have the same curvature and length for uniformizing the amounts of light that are applied through the lens to a photosensitive medium.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: July 14, 1998
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akio Sutoh, Yukio Seto