TREA

Hiroyuki Hiroha

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing pig iron
    • Patent number 8,298,316
    • Issue date Oct 30, 2012
    • JFE Steel Corporation
    • Natsuo Ishiwata
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PRODUCING PIG IRON
    • Publication number 20110041652
    • Publication date Feb 24, 2011
    • JFE STEEL CORPORATION
    • Natsuo Ishiwata
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    METHOD FOR PRODUCING REDUCED IRON
    • Publication number 20110036204
    • Publication date Feb 17, 2011
    • JFE STEEL CORPORATION
    • Natsuo Ishiwata
    • C21 - METALLURGY OF IRON