TREA

Masao Nitanda

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  • Setagaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll for rolling mill
    • Patent number 5,001,820
    • Issue date Mar 26, 1991
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Masujiro Yoshida
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling roll with variable profile and of the tapered piston type
    • Patent number 4,837,906
    • Issue date Jun 13, 1989
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Takaaki Mori
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...