Patents by Inventor Noriko Makiishi

Noriko Makiishi 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).

  • Steel sheet plated by hot dipping with alloyed zinc with excellent adhesion and process for producing the same
    Publication number: 20060057417
    Abstract: The present invention provides a galvannealed steel sheet excellent in the adhesion with a base steel sheet and a manufacturing method thereof. The galvannealed steel sheet according to the invention has, in an interface between a galvannealed layer and the base steel sheet thereon the galvannealed layer is formed, an irregularity that has a depth of 10 nm or more at a pitch of 0.5 ?m or less at least one per 5 ?m of a length of the interface.
    Type: Application
    Filed: February 5, 2004
    Publication date: March 16, 2006
    Applicant: JFE STEEL CORPORATION
    Inventors: Masahiko Tada, Yoichi Tobiyama, Kazuaki Kyono, Noriko Makiishi, Hisato Noro
  • Method of preparing slag sample for X-ray fluorescence analysis and sampler for use in the same
    Patent number: 6497154
    Abstract: A metallic hollow polygonal column having a smooth outer surface is immersed into a molten slag and immediately pulled up. The contact plane of the slag adhered on the outer surface of the hollow polygonal column is used as the analytical plane. The method of the hollow column has a thickness of 3 mm or greater.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: December 24, 2002
    Assignee: Kawasaki Steel Corporation
    Inventors: Akira Yamamoto, Noriko Makiishi, Wataru Tanimoto