Patents by Inventor Kazuhiko Matsuoka

Kazuhiko Matsuoka 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).

  • Scanning optical system having a fall-down correcting function
    Patent number: 4379612
    Abstract: A scanning optical system provided with a light source portion, a first imaging optical system for linearly imaging the light beam emitted from the light source portion, a deflector having its deflecting-reflecting surface near the linear image formed by said first imaging optical system, a scanned medium scanned by the light beam deflected by the deflector, and a second imaging optical system disposed between the scanned medium and the deflector and comprising, in succession from the deflector side, a spherical single lens and a single lens having a toric surface.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: April 12, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiko Matsuoka, Kazuo Minoura