Patents by Inventor Ryuichi Kusama

Ryuichi Kusama 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).

  • Lower structure of automotive vehicle
    Patent number: 8267429
    Abstract: A positioning pin and a bolt hole positioned near this pin are provided at a plate-shaped rear-portion attachment face portion of a suspension cross member. A positioning hole having the positioning pin inserted thereinto and a bolt hole positioned near this positioning hole are provided at a tunnel frame on the side of a vehicle. The rear-portion attachment face portion and the tunnel frame are fastened by a bolt inserting into the bolt holes together with a nut. Accordingly, the support rigidity of the suspension cross member during the normal vehicle traveling can be secured and the smooth retreat of the power unit to restrain the collision load from having bad influence on passengers in the vehicle frontal collision can be achieved.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: September 18, 2012
    Assignee: Mazda Motor Company
    Inventors: Hiroaki Takeshita, Takahiro Otani, Masanobu Fukushima, Ryuichi Kusama, Hiromasa Honji
  • LOWER STRUCTURE OF AUTOMOTIVE VEHICLE
    Publication number: 20110198832
    Abstract: A positioning pin and a bolt hole positioned near this pin are provided at a plate-shaped rear-portion attachment face portion of a suspension cross member. A positioning hole having the positioning pin inserted thereinto and a bolt hole positioned near this positioning hole are provided at a tunnel frame on the side of a vehicle. The rear-portion attachment face portion and the tunnel frame are fastened by a bolt inserting into the bolt holes together with a nut. Accordingly, the support rigidity of the suspension cross member during the normal vehicle traveling can be secured and the smooth retreat of the power unit to restrain the collision load from having bad influence on passengers in the vehicle frontal collision can be achieved.
    Type: Application
    Filed: December 23, 2010
    Publication date: August 18, 2011
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Hiroaki TAKESHITA, Takahiro OTANI, Masanobu FUKUSHIMA, Ryuichi KUSAMA, Hiromasa HONJI