TREA

Yoshimi Aoyama

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat treatment oil composition
    • Patent number 7,993,473
    • Issue date Aug 9, 2011
    • Idemitsu Kosan Co., Ltd.
    • Masahiro Kobessho
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT TREATMENT OIL COMPOSITION
    • Publication number 20090056834
    • Publication date Mar 5, 2009
    • IDEMITSU KOSAN CO., LTD.
    • Masahiro Kobessho
    • C21 - METALLURGY OF IRON