Patents by Inventor Yoshimichi Okita

Yoshimichi Okita 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).

  • Process of producing a hot coil and a production system of producing the same
    Patent number: 5564178
    Abstract: A hot coil with high quality and low cost is produced by rolling a billet continuously prepared with a 70 to 120 mm middle thickness continuous casting mechanism, a billet conveying table, a heating mechanism, a high draft rough rolling mill, a finishing rolling mill, and a down coiler, which components are all disposed closely together along a straight line. The center surface temperature of the billet and a peripheral velocity of the roll of the high draft rough rolling mill are controlled within a predetermined range to provide for continuous rolling through the system.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: October 15, 1996
    Assignee: Kyoei Steel Ltd.
    Inventors: Koichi Takashima, Yoshimichi Okita