Patents by Inventor Tadao Koide

Tadao Koide 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).

  • Method of protecting underground structures in ground liable to be liquefied
    Patent number: 5059063
    Abstract: A conglomerate layer is formed horizontally on a base of ground which has a high water permeability and easily liquefies. A bottom plate is formed on the conglomerate layer to construct the underground structure thereon. One or more drainpipes are extended upwardly from the conglomerate layer through the bottom plate for draining excessive pore water in the ground.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: October 22, 1991
    Assignees: Ohbayashi Corporation, Chubu Electric Power Company, Incorporated
    Inventors: Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide, Tamotsu Endoh, Makoto Toriihara, Joji Ejiri
  • Method of protecting a structure constructed on ground liable to be liquefied
    Patent number: 5017046
    Abstract: A conglomerate layer is formed in ground which has a high water permeability and is liable to be liquefied. An underground base of the structure is constructed on the conglomerate layer. One or more drainpipes are extended substantially horizontally from the conglomerate layer through the underground base so as to communicate with the surface of the ground.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: May 21, 1991
    Assignees: Ohbayashi Corporation, Chubu Electric Power Company, Incorporated
    Inventors: Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide, Tamotsu Endoh, Makoto Toriihara, Joji Ejiri