TREA

Tomonari Hamamura

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface-treated steel material
    • Patent number 11,136,659
    • Issue date Oct 5, 2021
    • NIPPON STEEL COATED SHEET CORPORATION
    • Toshiaki Sakamoto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Surface-treated metal and method for producing same
    • Patent number 9,353,270
    • Issue date May 31, 2016
    • Nippon Steel & Sumitomo Metal Corporation
    • Takao Kanai
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    SURFACE-TREATED STEEL MATERIAL
    • Publication number 20180305802
    • Publication date Oct 25, 2018
    • Nippon Steel & Sumikin Coated Sheet Corporation
    • Toshiaki SAKAMOTO
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SURFACE-TREATED METAL AND METHOD FOR PRODUCING SAME
    • Publication number 20140120320
    • Publication date May 1, 2014
    • Takao Kanai
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SURFACE-TREATED PRECOATED METAL SHEET, PROCESS FOR PRODUCING SAME,...
    • Publication number 20120040194
    • Publication date Feb 16, 2012
    • NIPPON STEEL CORPORATION
    • Takao Kanai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...