Patents by Inventor Miyoichi Yamaguchi

Miyoichi Yamaguchi 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).

  • Foldable tank for containing liquids
    Patent number: 4124049
    Abstract: A foldable liquid tank is provided for storing water, fire extinguishing fluid, or other liquids. The tank can be folded to a small size for convenient transportation and housing thereof. When filled with liquid, the tank takes the shape of a truncated globoid, the normal shape of the contained liquid in the form of a water drop by the pressure of the contained liquid.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: November 7, 1978
    Assignee: Nippon Hanpu Kogyo Co., Ltd.
    Inventor: Miyoichi Yamaguchi