Patents by Inventor Shouji Imura

Shouji Imura 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).

  • Method of producing reduced iron compacts in rotary hearth-type reducing furnace, reduced iron compacts, and method of producing molten iron using them
    Patent number: 6986801
    Abstract: There is provided a method of producing reduced iron compacts with high crushing strength, low powderization and a high reduction rate in a solid reduction-type firing reducing furnace such as a rotary hearth-type reducing furnace, as well as reduced iron compacts obtained by the method and a method of melt-reducing the reduced iron compacts in a blast furnace.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: January 17, 2006
    Assignee: Nippon Steel Corporation
    Inventors: Tetsuharu Ibaraki, Shouji Imura, Hiroshi Oda, Masaharu Takahashi, Yoichi Abe, Shigeki Takahashi, Satoshi Suzuki