Patents by Inventor Toshiyuki Udo

Toshiyuki Udo 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: 5717530
    Abstract: The present invention is directed to a zoom lens device for use in, for example, a copying machine. A support member for supporting a stationary lens is adjustable relative to a guide device for guiding a movable lens in a direction of an optical axis.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: February 10, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenichi Kawamoto, Toshiyuki Udo