Patents by Inventor Sakae Shikakura

Sakae Shikakura 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).

  • High-Ni austenitic stainless steel having excellent high-temperature strength
    Patent number: 5753177
    Abstract: A high-Ni austenitic stainless steel having swelling resistance, high-temperature creep strength, and phase stability under irradiation. The irradiation resistance and high-temperature strength of the high-Ni austenitic stainless steel are enhanced when it is composed of the following percentages by weight: Si, not exceeding 0.5 wt. %; Mn, not exceeding 1.0 wt. %; Cr, 13-18 wt. %; Ni, 30-50 wt. %; Mo+W=2.0-6.0 wt. %; Nb+V=0.1-0.8 wt. % (Nb/(Nb+V) ?weight ratio!=0.20-0.85 ?weight ratio!; N, 0.01-0.2 wt. %; and the residual consisting of Fe and unavoidable impurities.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: May 19, 1998
    Assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Toyohashi University of Technology
    Inventors: Masahiko Morinaga, Yoshinori Murata, Shigeharu Ukai, Sakae Shikakura, Makoto Harada, Toshio Nishida