Patents by Inventor Yoshikatu Sigematu

Yoshikatu Sigematu 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).

  • System for controlling the charge distribution and flow in blast furnace operations using magnetic sensors positioned within the charge
    Patent number: 4197495
    Abstract: A furnace operation system, comprising, a plurality of hollow tubes arranged in place at a position lower than the raw material charging level in the furnace, and running through the body of the furnace, said hollow tubes being arranged in place into a multi-stage shape; a plurality of magnetic sensors arranged for each and every one of a designated number of measuring points selected in a manner of corresponding to the hollow tubes in the vertical direction, within the interior of the plurality of hollow tubes; and a means electrically connected with the plurality of magnetic sensors, which conducts processing of said signals from the said magnetic sensors which are obtained in correspondence to the downward movement of the charge fed into the furnace.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: April 8, 1980
    Assignee: Nippon Steel Corporation
    Inventors: Masaaki Matsui, Kenji Tamura, Yooichi Hayashi, Yoshihiro Fujii, Yoshikatu Sigematu