TREA

Keiichi Kubo

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat treatment method
    • Patent number 8,845,831
    • Issue date Sep 30, 2014
    • Denki Kogyo Co., Ltd.
    • Seiichi Sawatsubashi
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat treatment method
    • Publication number 20100193091
    • Publication date Aug 5, 2010
    • DENKI KOGYO CO., LTD.
    • Seiichi Sawatsubashi
    • C21 - METALLURGY OF IRON