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Hisayoshi Matsunaga

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Cooling Apparatus of Thick-Gauge Steel Plate
    • Publication number 20140117595
    • Publication date May 1, 2014
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Yoshihiro Serizawa
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Cooling Apparatus of Thick-Gauge Steel Plate
    • Publication number 20090108509
    • Publication date Apr 30, 2009
    • NIPPON STEEL CORPORATION
    • Yoshihiro Seruzawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...