Patents by Inventor Kanehiro Ishihara

Kanehiro Ishihara 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).

  • Shield tunneling machine and method
    Patent number: 4165129
    Abstract: Shield tunneling machine and method which may minimize the variation in water- and earth-pressure at the tunneling face so as to hold the ground firm and to ensure the safe tunneling.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: August 21, 1979
    Assignees: Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Sato Kogyo Kabushiki Kaisha
    Inventors: Yoshihito Sugimoto, Konosuke Miyata, Kanehiro Ishihara, Sachio Fujimoto, Tsunehiro Kakutani