Patents by Inventor Masaaki Mituzono

Masaaki Mituzono 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).

  • Apparatus for controlling the opening and closing of a work clamping mechanism in a numerically controlled machine tool
    Patent number: 5285373
    Abstract: An apparatus for controlling the opening/closing of a mechanism for clamping a work machined by a numerically controlled machine tool, comprising a driver for the clamping mechanism. The apparatus controls the opening/closing of the clamping mechanism on the basis of measured data on the distance of a main shaft provided in the machine body from the origin position of the machine, measured data on the moving speed of the main shaft, coordinate values of a clamp pawl of the clamping mechanism and data on a region where the clamping mechanism is opened.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: February 8, 1994
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Chikara Watanabe, Masaaki Mituzono, Hiroshi Ira