Patents by Inventor Toshimi Furuta

Toshimi Furuta 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).

  • Electric spark machine
    Patent number: 5248867
    Abstract: An electrode for use in an electric spark machine has recording means integral therewith which stores an electrode information unique to the electrode. The electric spark machine reads the electrode information when the electrode is mounted thereon and stores it in a memory. The electric spark machine operates according to a machining program contained in the electrode information read from the memory while correcting misalignment of the electrode according to misalignment information contained in the electrode information.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: September 28, 1993
    Assignee: Mitsubishi Denki K.K.
    Inventors: Nobuaki Ohba, Toshimi Furuta