TREA

Tuneo Iwasaki

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piercing apparatus
    • Patent number 6,698,532
    • Issue date Mar 2, 2004
    • Nippon Steel Corporation
    • Manabu Gotou
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Piercing apparatus
    • Patent number 6,601,655
    • Issue date Aug 5, 2003
    • Nippon Steel Corporation
    • Manabu Gotou
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    Piercing apparatus
    • Publication number 20030136569
    • Publication date Jul 24, 2003
    • NIPPON STEEL CORPORATION
    • Manabu Gotou
    • C21 - METALLURGY OF IRON