Patents by Inventor Keizo Hoshi

Keizo Hoshi 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).

  • Sliding gate plate
    Patent number: 5529227
    Abstract: According to the present invention, there is provided a sliding gate plate connected to a molten metal container, used as a part of a nozzle, for controlling a flow amount of molten metal in the molten metal container, comprising a main body of the sliding gate plate, having a through-hole at a section corresponding to a molten metal discharge control, and a cylinder having a ring-like fringe portion, and fit into the through-hole of the main body of the plate.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: June 25, 1996
    Assignee: Toshiba Ceramics Co., Ltd.
    Inventors: Toshiyuki Yoshikawa, Etsuhiro Hasebe, Kenichi Mukoyama, Keizo Hoshi, Masahiko Uchita, Shouji Ando, Masahiro Ikari, Teruo Iijima