Patents by Inventor Itsuo Onaka

Itsuo Onaka 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).

  • Method of producing finely divided particles or powder, vapor or fine droplets, and apparatus therefor
    Patent number: 5136609
    Abstract: A method of producing finely divided particles or powder, vapor or fine droplets comprises the steps of heating and melting the starting raw material in a vessel having opposed reflecting surfaces, and ejecting the melted raw material from the vessel as heated finely divided particles or powder, vapor or fine droplets, by introducing a carrier gas into the vessel.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: August 4, 1992
    Assignees: Nippon Steel Corporation, Itsuo Onaka
    Inventors: Susumu Yamaguchi, Toshihiko Miki, Hiroyuki Uchida, Itsuo Onaka