Patents by Inventor Mutsuo Maki

Mutsuo Maki 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).

  • Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor
    Patent number: 4812166
    Abstract: Ultrafine particles of metals, metallic compounds, and ceramics can be produced by heating a starting material supplied hermetically with a plurality of direct current plasma currents combined at a central axis of a work coil for generating high frequency induction plasma positioned under the direct current plasma generated zone. Apparatuses used therefor are also disclosed.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: March 14, 1989
    Assignee: Nippon Steel Corporation
    Inventors: Goro Saiki, Jiro Kondo, Koichi Takeda, Mutsuo Maki, Tutomu Ooki