TREA

Kazuo Watanabe

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  • Kitakyushu, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    H-shape metallic material rolling process
    • Patent number 4,086,801
    • Issue date May 2, 1978
    • Nippon Steel Corporation
    • Koe Nakajima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for compensating tail end
    • Patent number 4,003,229
    • Issue date Jan 18, 1977
    • Nippon Steel Corporation
    • Toshio Harada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...