Patents by Inventor Inoue Akihisa

Inoue Akihisa 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).

  • Composite ultrafine particles of nitrides, method for production and sintered article thereof
    Patent number: 5549951
    Abstract: Ultrafine whiskery or columnar ceramic particles, a method for producing the ultrafine particles, and a sintered article obtained by sintering the ultrafine ceramic particles are disclosed. The ultrafine ceramic particles are produced by thermally melting a matrix alloy of a composition of Al--M.sup.1, wherein M.sup.1 stands for at least one metallic element selected from the group consisting of Cr, Co, and Fe, or Al--M.sup.1 --M.sup.2, wherein M.sup.2 stands for at least one metallic element selected from the group consisting of Au, Cu, Dy, Er, Ga, Ge, Gd, Hf, Ho, Lu, Mn, Mo, Nb, Nd, Ni, Pr, Re, Sb, Sc, Si, Sn, Ta, Tb, Ti, Tm, V, W, Y, Zn, or Zr, in a nitriding atmosphere containing nitrogen and causing the vaporized raw material to react with the nitrogen in the atmosphere.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: August 27, 1996
    Assignees: YKK Corporation, Tsuyoshi Masumoto, Akihisa Inoue, Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Tadashi Yamaguchi, Katsutoshi Nosaki, Inoue Akihisa, Tsuyoshi Masumoto