Patents by Inventor Nobuya Koide

Nobuya Koide 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).

  • Superplastic dual-phase stainless steels having a small deformation resistance and excellent elongation properties
    Patent number: 5672315
    Abstract: A superplastic dual-phase stainless steel comprises C: not more than 0.05 wt %, Si: not more than 1.5 wt %, Mn: not more than 3.0 wt %, Cr: 17.0-26.0 wt %, Ni: 3.0-10.0 wt %, Mo: 0.1-2.0 wt %, N: 0.08-0.20 wt %, S: not more than 0.002 wt %, B: 0.0005-0.01 wt % and the remainder being Fe and inevitable impurities and has a low deformation resistance and an excellent elongation.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: September 30, 1997
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Nobuyoshi Okato, Hiroshi Yoshida, Nobuya Koide