Patents by Inventor Yohta Sato

Yohta Sato 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 ferro-nickel or metallic nickel
    Patent number: 3933477
    Abstract: A method of making ferro-nickel or metallic nickel from iron-rich nickel ore by adding silica therein, so as to form difficultly reducible fayalite with iron in the ore, adding a carboneous reducing agent therein, and heating the mixture without melting the same at 900.degree.C to 1,300.degree.C in a reducing atmosphere having a ##EQU1## ratio of 1.6% to 90%.
    Type: Grant
    Filed: July 5, 1973
    Date of Patent: January 20, 1976
    Assignee: Nippon Yakin Kogyo Company Limited
    Inventors: Yohta Sato, Masakata Matsuda, Yukio Ohi, Toyomi Matsumori