Patents by Inventor Takayuki IWAMURO

Takayuki IWAMURO 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).

  • Tunnel boring machine
    Patent number: 10641093
    Abstract: A tunnel boring machine includes: a cutter head; a cutter support; a cutter driving unit; a rotational position sensing unit; a strain sensor; and a data processing unit configured to calculate a force acting on the cutter head in association with the position of the cutter head in the rotational direction, based on sensing results of the strain sensor and the rotational position sensing unit.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: May 5, 2020
    Assignee: Hitachi Zosen Corporation
    Inventors: Toshiyuki Okada, Takayuki Iwamuro
  • TUNNEL BORING MACHINE
    Publication number: 20180258765
    Abstract: A tunnel boring machine includes: a cutter head; a cutter support; a cutter driving unit; a rotational position sensing unit; a strain sensor; and a data processing unit configured to calculate a force acting on the cutter head in association with the position of the cutter head in the rotational direction, based on sensing results of the strain sensor and the rotational position sensing unit.
    Type: Application
    Filed: December 1, 2015
    Publication date: September 13, 2018
    Inventors: Toshiyuki OKADA, Takayuki IWAMURO