Patents by Inventor Kazushi Yasue

Kazushi Yasue 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).

  • Energy absorbing door panel
    Patent number: 6036251
    Abstract: A car trim including a plurality of ribs formed integrally and arranged vertically at a predetermined interval on a predetermined site of the rear face 1a of trim main body 1 for absorbing energy of collision, each rib being formed in a rectangular tube, each rib side wall 4a being tapared with thinning toward its distal end, and a rigidity changing portion P being disposed by integrally forming an auxiliary rib piece 5 on the rib side wall 4a for introducing buckling transformation of the rib 4 at a predetemined position in the rib side wall 4a. The rib also includes a first energy absorbing portion 5 and a second energy absorbing portion 6 formed in such a multi-stepped manner that the number of rib walls in the former step is different from that number in the latter step.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: March 14, 2000
    Assignees: Kasai Kogyo Kabushiki Kaisha, Nissan Motor Co., Ltd.
    Inventors: Fumio Yagishita, Kazushi Yasue, Nobuhiko Takahashi, Akira Kawai
  • Energy absorbing door panel
    Patent number: 5934730
    Abstract: A car trim including a plurality of ribs formed integrally and arranged vertically at a predetermined interval on a predetermined site of the rear face 1a of trim main body 1 for absorbing energy of collision, each rib being formed in a rectangular tube, each rib side wall 4a being tapared with thinning toward its distal end, and a rigidity changing portion P being disposed by integrally forming an auxiliary rib piece 5 on the rib side wall 4a for introducing buckling transformation of the rib 4 at a predetemined position in the rib side wall 4a. The rib also includes a first energy absorbing portion 5 and a second energy absorbing portion 6 formed in such a multi-stepped manner that the number of rib walls in the former step is different from that number in the latter step.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: August 10, 1999
    Assignees: Nissan Motor Co., Ltd, Kasai Kogyo Kabushiki Kaisha
    Inventors: Fumio Yagishita, Kazushi Yasue, Nobuhiko Takahashi, Akira Kawai