Patents by Inventor Kazuyoshi Chikugo

Kazuyoshi Chikugo 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).

  • Ni-based single crystal super alloy
    Publication number: 20030075247
    Abstract: The object of the present invention is to provide an Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures. This object is achieved by an Ni-based single crystal super alloy having a composition consisting of 5.0-7.0 wt % Al, 4.0-8.0 wt % Ta, 2.9-4.5 wt % Mo, 4.0-8.0 wt % W, 3.0-6.0 wt % Re, 0.01-0.50 wt % Hf, 2.0-5.0 wt % Cr, 0.1-15.0 wt % Co and 1.0-4.0 wt % Ru in terms of its weight ratio, with the remainder consisting of Ni and unavoidable impurities.
    Type: Application
    Filed: May 30, 2002
    Publication date: April 24, 2003
    Inventors: Yutaka Koizumi, Toshiharu Kobayashi, Tadaharu Yokokawa, Hiroshi Harada, Yasuhiro Aoki, Mikiya Arai, Shoju Masaki, Ryoji Kakiuchi, Kazuyoshi Chikugo