Patents by Inventor Takaaki Mukohda

Takaaki Mukohda 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).

  • Rotary inert gas dispersion apparatus for molten metal treatment
    Patent number: 5904894
    Abstract: A rotating injector for use in the treatment of molten metal to remove impurities. Inert gas is flowed through a hollow rotary shaft having a lower gas port opening to a gas chamber surrounded by an outlet of porous material for creating micronized bubbles in the molten metal. A rotating mixer disperses the inert gas issuing from the outlet.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: May 18, 1999
    Assignee: Pechiney Japon
    Inventor: Takaaki Mukohda