Patents by Inventor Shoichi Yamzaki

Shoichi Yamzaki 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).

  • Optical system for stabilizing an image
    Patent number: 5270857
    Abstract: An image stabilizing system includes a photographic lens device having a plurality of lens units, wherein for zooming at least one lens unit separation varies, a detecting circuit for detecting the jiggle of the system, and a drive device for driving at least one lens unit in a direction perpendicular to a photographic optical axis of the photographic lens device on the basis of an output of the detecting circuit to stabilize an image.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: December 14, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kouji Oizumi, Nozomu Kitagishi, Shoichi Yamzaki