Patents by Inventor Sadao Uno

Sadao Uno 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).

  • Patent number: 4856754
    Abstract: A shuttering used for forming concrete comprises a plate with a plurality of through holes opening on both its face and reverse, and a double woven fabric consisting of a face tissue which permits passage of water but prevents concrete from passing and a reverse tissue opposed to the face of the plate and relatively displaceable with respect to the face of the plate; the surplus water oozing out of placed concrete flows through gaps formed by the reverse tissue between said plate and the face tissue as well as the through holes of said plate.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: August 15, 1989
    Assignee: Kabushiki Kaisha Kumagaigumi
    Inventors: Takayoshi Yokota, Shigekazu Horiya, Sadao Uno, Kozo Katayama, Daijiro Tanabe