Patents by Inventor Tatsue Toyoshima

Tatsue Toyoshima 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).

  • Electrode cutting apparatus for wire cut electric discharge machine
    Patent number: 4618761
    Abstract: A wire electrode cutting apparatus for use in a wire-cut electric discharge machine mounted between a supply section for the wire electrode and a pulling section therefor, and comprising a device for applying a constant tensile force to the wire electrode and for sensing that the constant tensile force has been applied thereto, and a power supply for applying an electric current to the wire electrode to heat the same when a predetermined tensile force has been applied thereto.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: October 21, 1986
    Assignee: Inoue-Japax Research Incorporation
    Inventors: Kiyoshi Inoue, Tatsue Toyoshima