Patents by Inventor Hanji Oba

Hanji Oba 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).

  • Machine for direct rolling of steel casting and producing steel product therefrom
    Patent number: 4658882
    Abstract: Machine for direct rolling of a steel casting from the continuous casting process and producing a steel product therefrom characterized in that the continuous casting machine is provided with an air-water mist cooling means having a selective cooling function and a heat-retention means, and a quick heating means for the edge portions of the steel casting if necessary, and a scale breaker are installed at the inlet of a rough rolling stand, whereby direct rolling without further surface treatment of the steel casting is made feasible.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: April 21, 1987
    Assignee: Nippon Steel Corporation
    Inventors: Hanji Oba, Koji Hyodo, Michiyasu Honda, Kazuhide Kameyama