Patents by Inventor Koji Kariatsumari

Koji Kariatsumari 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).

  • Car body energy absorber and bumper stay
    Patent number: 6481690
    Abstract: A lightweight car body energy absorber made of Al alloy which provides a high energy absorption performance. The car body energy absorber comprises a hollow shape with a rectangular sectional profile and a reinforcing shape attached to the front face of the collision plane of the hollow shape, where the hollow shape and the reinforcing shape are aluminum alloy extruded shapes. The reinforcing shape has a hat-shaped open sectional profile, which is composed of a collision wall almost parallel to the collision plane of the hollow shape, plural mutually parallel horizontal ribs which support the collision wall, and vertical flanges provided at the tips of these ribs. The reinforcing shape is joined to the collision plane of the hollow shape through the vertical flanges.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: November 19, 2002
    Assignee: Kobe Steel, Ltd.
    Inventors: Koji Kariatsumari, Satoshi Nimura, Toru Hashimura
  • Car body energy absober and bumper stay
    Publication number: 20010024051
    Abstract: A lightweight car body energy absorber made of Al alloy which provides a high energy absorption performance. The car body energy absorber comprises a hollow shape 1 with a rectangular sectional profile and a reinforcing shape 2 attached to the front face of the collision plane of the hollow shape, where the hollow shape 1 and the reinforcing shape 2 are aluminum alloy extruded shapes. The reinforcing shape 2 has a hat-shaped open sectional profile, which is composed of a collision wall 6 almost parallel to the collision plane of the hollow shape 1, plural mutually parallel horizontal ribs 7a, 7b and 7c which support the collision wall 6, and vertical flanges 8a, 8b and 8c provided at the tips of these ribs. It is joined to the collision plane of the hollow shape 1 through the vertical flanges 8a, 8b and 8c.
    Type: Application
    Filed: February 15, 2001
    Publication date: September 27, 2001
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Koji Kariatsumari, Satoshi Nimura, Toru Hashimura