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Kiyoshi Hitomi

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  • Kurashiki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing H-beams
    • Patent number 4,367,642
    • Issue date Jan 11, 1983
    • Kawasaki Steel Corporation
    • Teruyuki Nakanishi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing H-beams
    • Patent number 4,322,962
    • Issue date Apr 6, 1982
    • Kawasaki Steel Corporation
    • Teruyuki Nakanishi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...