Patents by Inventor Yasuto Koike

Yasuto Koike 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).

  • Viscous damper for hydraulic power transmission
    Patent number: 5655368
    Abstract: Described is a viscous damper for a hydraulic power transmission with a lockup clutch. The viscous damper is composed of at least one blade mounted on at least one element of the hydraulic power transmission so that said at least one blade is located in an oil filled in said hydraulic power transmission and controls occurrence of self-excited vibrations. Preferably, plural blades are mounted on a wall of at least one of mutually opposing two elements of the hydraulic transmission, said wall of said at least one element being locate opposite a wall of the other element.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: August 12, 1997
    Assignee: NSK-Warner K.K.
    Inventors: Yasuto Koike, Tatsuro Miyoshi, Masao Shoji