Patents by Inventor Kenji Mitsuhata

Kenji Mitsuhata 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).

  • Patent number: 4615953
    Abstract: The present invention provides an improved lining structure composition on the inner surface of a tundish by forming an alumina-silica-base intermediate lining layer over which a magnesian surface coating layer is formed by gunning. It solves the adhesion defect on a refractory lining of the tundish and enables longer operation of the tundish.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: October 7, 1986
    Assignee: Shinagawa Refractories Co., Ltd.
    Inventors: Kenji Ichikawa, Hiroyuki Sugimoto, Ryosuke Nakamura, Takashi Yamamura, Kenji Mitsuhata