TREA

Yoshinori Sugie

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe forming roll apparatus and method
    • Patent number 6,216,940
    • Issue date Apr 17, 2001
    • Kawasaki Steel Corporation
    • Koji Sugano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe forming roll apparatus and method
    • Patent number 6,041,632
    • Issue date Mar 28, 2000
    • Kawasaki Steel Corporation
    • Koji Sugano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of and apparatus for producing steel pipes
    • Patent number 5,942,132
    • Issue date Aug 24, 1999
    • Kawasaki Steel Corporation
    • Takaaki Toyooka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...