TREA

Tatsuya OBUCHI

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  • Chiyoda-ku, Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    STEEL SHEET AND METHOD FOR PRODUCING SAME
    • Publication number 20230399712
    • Publication date Dec 14, 2023
    • NIPPON STEEL CORPORATION
    • Takafumi YOKOYAMA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    STEEL SHEET
    • Publication number 20220275493
    • Publication date Sep 1, 2022
    • Nippon Steel Corporation
    • Takafumi YOKOYAMA
    • C21 - METALLURGY OF IRON