Patents by Inventor Kimio Itagaki

Kimio Itagaki 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 for separating cobalt, nickel and the like from alloys
    Patent number: 4657585
    Abstract: Cobalt, nickel and/or radioactive cobalt are separated from an alloy containing elements belonging to the iron group or family in such a manner that the alloy is melted in a molten bath of tin, lead and/or an alloy thereof whose weight is more than ten times as heavy as the alloy and then silicon is added to the molten bath so that a Fe-Si phase floats up and is separated, concentrating the cobalt and nickel in said bath.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: April 14, 1987
    Assignee: Ishikawajima-Harima Jukogyo Kabushi Kaisha
    Inventors: Akira Yazawa, Kimio Itagaki, Kazuo Sezaki, Kenji Matsuda, Kazuo Kanazawa, Mitsuo Hayashi, Katsuo Katada