Patents by Inventor Tetsuo Akiyoshi

Tetsuo Akiyoshi 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).

  • Fume dust suppression during pouring of molten metal, and apparatus
    Publication number: 20030205109
    Abstract: Fume dust is prevented when molten metal is poured into a vessel, and water or water mist is sprayed into the vessel or onto the molten metal, creating a reduced level of oxygen concentration of about 12% by volume, preferably about 8% by volume, inside the vessel or at the molten metal surface.
    Type: Application
    Filed: April 11, 2003
    Publication date: November 6, 2003
    Applicant: KAWASAKI STEEL CORPORATION
    Inventor: Tetsuo Akiyoshi
  • Fume dust suppression during pouring of molten metal, and apparatus
    Patent number: 6579340
    Abstract: Fume dust is prevented when molten metal is poured into a vessel, and water spray of water mist is introduced into the vessel or onto the molten metal, creating a reduced level of oxygen concentration of about 12% by volume, preferably about 8% by volume, inside the vessel or at the molten metal surface.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: June 17, 2003
    Assignee: Kawasaki Steel Corporation
    Inventor: Tetsuo Akiyoshi
  • Fume dust suppression during pouring of molten metal, and apparatus
    Publication number: 20010052661
    Abstract: Fume dust is prevented when molten metal is poured into a vessel, and water or water mist is sprayed into the vessel or onto the molten metal, creating a reduced level of oxygen concentration of about 12% by volume, preferably about 8% by volume, inside the vessel or at the molten metal surface.
    Type: Application
    Filed: June 15, 2001
    Publication date: December 20, 2001
    Applicant: Kawasaki Steel Corporation
    Inventor: Tetsuo Akiyoshi