Patents by Inventor Kazuhiro Izukawa

Kazuhiro Izukawa 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).

  • Vibration wave motor with plural projection vibrator
    Patent number: 4580073
    Abstract: In a vibration wave motor for driving a movable member contacting a vibration member, a travelling vibration wave is generated in the vibration member by electrostrictive elements, applying a periodic voltage to the elements. The vibration member is divided into a number of projections on at least a surface facing the movable member.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: April 1, 1986
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ichiro Okumura, Kazuhiro Izukawa