Patents by Inventor Hidetsugu Toyota

Hidetsugu Toyota 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).

  • Damping material for a head suspension of a magnetic head
    Patent number: 6212043
    Abstract: The damping material is mounted over the flat part to the curved part of a supporting arm of a head supporting spring of a disk unit composed of a magnetic head, the head suspension which supports the former and a fixing block that fixes the suspension, and the rate of change in static spring constant of the head supporting spring mounted with the damping material is set within 20% in comparison with the static spring constant of the un-mounted head supporting spring. As the constraining body, a metal foil or a resin film is used.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: April 3, 2001
    Assignee: Nitto Denko Corporation
    Inventors: Masao Nakamura, Hiroyuki Iida, Motoshige Tatsumi, Hidetsugu Toyota