Patents by Inventor Yasuo Nanjo

Yasuo Nanjo 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).

  • Damper mechanism for steering device
    Patent number: 6733039
    Abstract: A damper mechanism includes an outer pipe and an inner member. The outer pipe has first inward convex portions, second inward convex portions, and concave grooves extending along the axial direction and alternately formed in the circumferential direction at the inner periphery thereof. Outward convex portions are formed in the circumferential direction at a plurality of portions on the outer periphery of the inner member. An elastic body is provided between the outer pipe and the inner member. The elastic body includes thick wall portions and thin wall portions. The thick wall portion is provided between one side face of the outward convex portion and the first inward convex portion. The thin wall portion is provided between the other side face of the outward convex portion and the second inward convex portion.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: May 11, 2004
    Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Mizushima Press Co., Ltd.
    Inventors: Kazuhide Honda, Hideaki Okamoto, Toshimi Soeda, Yasuo Nanjo
  • Damper mechanism for steering device
    Publication number: 20020190450
    Abstract: A damper mechanism includes an outer pipe and an inner member. The outer pipe has first inward convex portions, second inward convex portions, and concave grooves extending along the axial direction and alternately formed in the circumferential direction at the inner periphery thereof. Outward convex portions are formed in the circumferential direction at a plurality of portions on the outer periphery of the inner member. An elastic body is provided between the outer pipe and the inner member. The elastic body includes thick wall portions and thin wall portions. The thick wall portion is provided between one side face of the outward convex portion and the first inward convex portion. The thin wall portion is provided between the other side face of the outward convex portion and the second inward convex portion.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 19, 2002
    Inventors: Kazuhide Honda, Hideaki Okamoto, Toshimi Soeda, Yasuo Nanjo