Patents by Inventor Kyohei Yokota

Kyohei Yokota 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 superalloy
    Patent number: 10385426
    Abstract: The present invention relates to an Ni-based superalloy having a composition containing, in terms of % by mass, C: from 0.1 to 0.3%, Cr: from 8.0 to 12.0%, Mo: from 1.0 to 5.0%, Co: from 10.0 to 20.0%, Ta: from 0.01 to 1.50%, Ti: from 2.0 to 4.2%, Al: from 5.0 to 8.0%, V: from 0 to 1.5%, B: from 0.005 to 0.030%, and Zr: from 0.05 to 0.15%, with the balance being Ni and unavoidable impurities, and satisfying, in terms of atom %, Ti+Al being from 16.0 to 20.3% and Ti/Al being 0.3 or less.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: August 20, 2019
    Assignee: DAIDO STEEL CO., LTD.
    Inventors: Kyohei Yokota, Yoshinori Sumi, Yoshihiko Koyanagi, Hiroyuki Takabayashi
  • Ni-BASED SUPERALLOY
    Publication number: 20180245188
    Abstract: The present invention relates to an Ni-based superalloy having a composition containing, in terms of % by mass, C: from 0.1 to 0.3%, Cr: from 8.0 to 12.0%, Mo: from 1.0 to 5.0%, Co: from 10.0 to 20.0%, Ta: from 0.01 to 1.50%, Ti: from 2.0 to 4.2%, Al: from 5.0 to 8.0%, V: from 0 to 1.5%, B: from 0.005 to 0.030%, and Zr: from 0.05 to 0.15%, with the balance being Ni and unavoidable impurities, and satisfying, in terms of atom %, Ti+Al being from 16.0 to 20.3% and Ti/Al being 0.3 or less.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 30, 2018
    Inventors: Kyohei Yokota, Yoshinori Sumi, Yoshihiko Koyanagi, Hiroyuki Takabayashi