Patents by Inventor Tokio Tan

Tokio Tan 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).

  • Sound insulating wall and method of installing the same
    Patent number: 5619829
    Abstract: Fixing members are mounted, at predetermined intervals, on the top portion of a footing that is built along a road. A concrete-type board having vertical through-holes is mounted on the footing through the fixing member. Steel rods each having top and bottom threaded portions are inserted into the respective through-holes of the board with the bottom threaded portions being threadedly engaged with the respective fixing members. Upper nuts are engaged with the top threaded portions of the respective rods, to thereby fix the board onto the footing.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: April 15, 1997
    Assignee: Nitto Boseki Co., Ltd
    Inventors: Tokio Tan, Kikuo Kazi, Shinta Yamamura, Naoyuki Furuta, Tadanori Mizukami