Patents by Inventor Hiromu Ishida

Hiromu Ishida 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).

  • Bridge of shock-absorbing construction
    Patent number: 6249925
    Abstract: A bridge of shock-absorbing construction is disclosed, which includes horizontal members arranged in series, vertical members supporting the horizontal members, and connectors for connecting the adjacent horizontal members or for connecting the horizontal member and the vertical member, wherein shock absorbers formed from a material with an elastic modulus in flexure over 200 kgf/cm2 and each having a wall structure in a shock-loading direction are disposed on the connectors or at the points of contact between the horizontal members or between the horizontal member and the vertical member.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: June 26, 2001
    Assignees: Japan Highway Public Corporation, Toyo Boseki Kabushiki Kaisha
    Inventors: Hiromu Ishida, Yasushi Kamihigashi, Kenji Kubota, Tadashi Kanno, Sakashi Kamata, Yujiro Matsuyama, Yoshio Araki, Kiyoshi Negishi, Chisato Nonomura