Patents by Inventor Yasushi Toshimitsu

Yasushi Toshimitsu 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).

  • Engine mount for motor vehicles
    Patent number: 5375821
    Abstract: An engine is supported on a frame of a motor vehicle by a plurality of engine mounts. At least one of said engine mounts are positioned on a main axis of inertia of the engine, and has substantially equal vertical and lateral static spring rates, a vertical dynamic spring rate greater than the vertical static spring rate, and a lateral dynamic spring rate between the vertical dynamic and static spring rates. The engine mount is effective in reducing muffled sound in the passenger compartment of the motor vehicle without impairing riding comfort of the motor vehicle. The spring rates are set to the following ratios:Ksz:Ksy:Kdy:Kdz=1.0:1.0:1.3:1.9.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: December 27, 1994
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yasushi Toshimitsu, Tatsuhide Sakai, Ken Iinuma