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Hiroyuki Hayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for detecting setting errors of clearance between rollers in...
    • Patent number 5,553,475
    • Issue date Sep 10, 1996
    • Kawasaki Steel Corporation
    • Hiroyuki Hayashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of rolling H-beams
    • Patent number 5,203,193
    • Issue date Apr 20, 1993
    • Kawasaki Steel Corporation
    • Takaaki Iguchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Adjustable width rolls for rolling mill
    • Patent number 5,031,435
    • Issue date Jul 16, 1991
    • Kawasaki Steel Corporation
    • Tsuneo Seto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of rolling H-shaped steels
    • Patent number 5,009,094
    • Issue date Apr 23, 1991
    • Kawasaki Steel Corporation
    • Hiroyuki Hayashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...