Patents by Inventor Mamoru Ogishima

Mamoru Ogishima 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).

  • Machine for and method of hardening soft ground
    Patent number: 4402630
    Abstract: Agitation shafts provided with agitation vanes at lower portions thereof are fixed rotatably around a support cylinder to form a soft ground hardening machine. A direction control unit is provided at a lower portion of the support cylinder so as to control the direction in which the machine is inserted into and withdrawn from the soft ground. In a method of hardening the soft ground by using this machine, the direction in which the machine is inserted into and withdrawn from the soft ground is controlled as the direction in which the machine is being inserted into or withdrawn from the soft ground is measured.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: September 6, 1983
    Assignees: Takenaka Komuten Co., Ltd., Takenaka Doboku Co., Ltd.
    Inventors: Mituo Miura, Yoshinori Kukino, Takumi Fujii, Kazunori Sugiyama, Takashi Inoue, Mamoru Ogishima