Patents by Inventor Toyoko Ohshima

Toyoko Ohshima 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).

  • Carbon-fiber-reinforced metallic material and method of producing the same
    Patent number: 4889774
    Abstract: Carbon fibers are mixed with a metal powder oxidizable to generate heat and the mixture is formed into a shaped article. The fiber shaped article is heated in a non-oxidative atmosphere in a preheating furnace and then, a molten metal is filled into the fiber shaped article and solidified, while permitting the metal powder to be oxidized to generate heat in the atmosphere.For a magnesium alloy used as a matrix, the aluminum content thereof is set within a range of 0.3 to 5.0% by weight.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: December 26, 1989
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kazunori Fukizawa, Toyoko Ohshima, Toshinobu Hata