Patents Assigned to Kazuko Morimoto
  • Method and apparatus for driving drain board
    Patent number: 4745979
    Abstract: This invention relates to a method and apparatus for simultaneously driving a plurality of drain boards, radially aligned about a common center, to stabilize and improve terrestrial and submarine foundation soils and submarine soils. This method, using standard width drain boards, can cover a wide absorption and drain area with a relatively small number of drain board driving operations.
    Type: Grant
    Filed: February 12, 1986
    Date of Patent: May 24, 1988
    Assignees: Kazuko Morimoto, Mayumi Morimoto, Kayoko Imajo
    Inventor: Tatsuo Morimoto