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Shigeo Koyama

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  • Hatano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bending press system
    • Patent number 5,934,133
    • Issue date Aug 10, 1999
    • Amada Company, Limited
    • Hideaki Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending press system
    • Patent number 5,694,801
    • Issue date Dec 9, 1997
    • Amada Company, Limited
    • Hideaki Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending machine and a die changing system for such bending machine
    • Patent number 4,658,625
    • Issue date Apr 21, 1987
    • Amada Company, Limited
    • Shigeo Koyama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending machine and a die changing system for such bending machine
    • Patent number 4,656,861
    • Issue date Apr 14, 1987
    • Amada Company, Limited
    • Shigeo Koyama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...