Patents by Inventor Syouko Tanikoshi

Syouko Tanikoshi 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).

  • Fuel assembly for nuclear reactor and manufacturing method thereof
    Patent number: 5596615
    Abstract: A fuel assembly avoiding the generation of irradiation damage, a Zr alloy used for the same, and a manufacturing method thereof. According to one embodiment, a super-saturated solid-solution Zr alloy powder having a crystal grain size in the range of 1000 nm or less and containing Fe, Ni and Cr is prepared by mechanical alloying, and the alloy powder is subjected to HIP, hot-working, cold-working and final heat-treatment.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: January 21, 1997
    Assignee: Hitachi, Ltd.
    Inventors: Kiyomi Nakamura, Masahisa Inagaki, Syouko Tanikoshi, Hideo Maki, Tsuneyuki Hashimoto