TREA

Keiji Miyakozawa

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous hot strip rolling system and method thereof
    • Patent number 5,219,114
    • Issue date Jun 15, 1993
    • Hitachi, Ltd.
    • Toshiyuki Kajiwara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill
    • Patent number 4,491,005
    • Issue date Jan 1, 1985
    • Hitachi, Ltd.
    • Tomoaki Kimura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pendulum-type flying shear
    • Patent number 4,319,505
    • Issue date Mar 16, 1982
    • Hitachi, Ltd.
    • Yukio Otake
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR