Patents by Inventor Kunio Oohara

Kunio Oohara 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 preparation of a metal carbide-containing molded product
    Patent number: 4126652
    Abstract: A process for preparation of a metal carbide-containing molded product which comprises heating a molded composition comprising at least one powdery metal selected from the group consisting of B, Ti, Si, Zr, Hf, V, Nb, Ta, Mo, W, Cr, Fe and U and having an average particle size of not more than about 50 .mu. and an acrylonitrile polymer at a temperature of about 200.degree. to 400.degree. C and then calcining the resulting product at a temperature of about 900.degree. to 2500.degree. C in an inert atmosphere.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: November 21, 1978
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kunio Oohara, Tatsuhiko Shizuki, Hideyuki Mitamura, Masahiro Sugino