Patents by Inventor Toshifumi Hisano

Toshifumi Hisano 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).

  • Expansion joint and reinforcement connection method using the expansion joint
    Patent number: 7003921
    Abstract: An expansive filler joint includes: a securing hollow body (1) embedded in a jointing end (3, 3) of forming concrete (K) or concrete segmental products (K?, K?), the securing hollow body (1) made of a rigid material and having a closure means (2) disposed at a plurality of side ends of the securing hollow body (1), an expansive filler (4) filling the securing hollow body (1), and reinforcing bars (5, 5) inserted into the securing hollow body through the closure means (2) and opposed to each other, wherein the opposed reinforcing bars (5, 5) are secured by prestress and pressure of expansion of the filler (4).
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: February 28, 2006
    Assignee: Yamax Corp.
    Inventor: Toshifumi Hisano
  • Expansion joint and reinforcement connection method using the expansion joint
    Publication number: 20040018045
    Abstract: An expansive filler joint includes:
    Type: Application
    Filed: March 28, 2003
    Publication date: January 29, 2004
    Inventor: Toshifumi Hisano