Patents by Inventor Hiroyuki Hashizumi

Hiroyuki Hashizumi 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).

  • Truss Elements and Space Truss Diagonal Member Manufacturing Method
    Publication number: 20090158686
    Abstract: There is provided a truss element in which space truss diagonal members can be easily integrally formed by being drawn in a predetermined direction. This truss element is formed in a corrugated shape with mountain portions 1a and valley portions 2 in left and right directions alternately and cut portions 4a, each which is perpendicular to a ridge line 3 of the mountain portion 1 and leaves a bottom of the valley portion uncut, and cut portions 4b, each which is perpendicular to a bottom line 5 of the valley and leaves a peak of the mountain portion uncut, are formed alternately with spaces in a front and back directions.
    Type: Application
    Filed: May 30, 2007
    Publication date: June 25, 2009
    Inventors: Yoshinari Oki, Shigeru Kinoshita, Hiroyuki Hashizumi, Yukio Kitahashi