TREA

Kazumi Yamashita

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphate-treated zinc-coated steel sheet
    • Patent number 7,588,836
    • Issue date Sep 15, 2009
    • JFE Steel Corporation
    • Hiroki Nakamaru
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    Phosphate-Treated Zinc-Coated Steel Sheet
    • Publication number 20080063891
    • Publication date Mar 13, 2008
    • JFE STEEL CORPORATION
    • Hiroki Nakamaru
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR