Patents by Inventor Kaname Hasuka

Kaname Hasuka 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).

  • Clad steel materials having excellent ductility and corrosion resistance
    Patent number: 4861682
    Abstract: A stainless clad plate or sheet (herein called sheet) comprising a super-low carbon steel layer containing at least one of Ti and Nb (Ti+Nb.ltoreq.0.15% and ##EQU1## and an austenite stainless steel layer on one or both sides of the carbon steel layer. The thickness of the stainless steel layer is preferably from 2.5 to 30% of the total thickness of the clad steel sheet. The stainless clad steel sheet is produced preferably by continuous casting stainless steel melt on the carbon steel slab, hot and cold rolling the stainless clad steel slab, and annealing under specific conditions for desired properties.
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: August 29, 1989
    Assignee: Nippon Steel Corporation
    Inventors: Yoshio Hashimoto, Tsuyoshi Kawano, Kaname Hasuka, Seiji Otomo