Patents by Inventor Toshio Nanjo

Toshio Nanjo 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 automatically charging scrap into an arc furnace
    Patent number: 4694465
    Abstract: An apparatus for automatically charging scrap into an arc furnace wherein an inactive position at which a scrap bucket charged with the scrap is normally placed is provided adjacent to the arc furnace; a transport mechanism is provided so that the scrap bucket is moved between said position and the arc furnace; and the scrap bucket is brought to and stopped at a position right above the arc furnace so as to charge immediately the scrap into the arc furnace within a short time and without overflowing.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: September 15, 1987
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Toshio Nanjo, Fumio Tomizawa
  • Apparatus for reducing iron ore or the like
    Patent number: 4363473
    Abstract: A reduction process and apparatus wherein the flow of the reducing fluid through the fixed bed of iron ore, oxidized pellet or the like to be reduced is reversed in direction so that the iron ore, oxidized pellet or the like, at any place in the bed, may be reduced uniformly.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: December 14, 1982
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Toshio Nanjo, Akinori Nakamura, Hidekazu Ishikawa