TREA

Shigeru Tokai

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  • Ishikawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Press brake
    • Patent number 5,839,310
    • Issue date Nov 24, 1998
    • Komatsu, Ltd.
    • Shigeru Tokai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ram position setting method and ram control unit for press brake
    • Patent number 5,813,263
    • Issue date Sep 29, 1998
    • Komatsu, Ltd.
    • Shigeru Tokai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automatic die driving amount correction method
    • Patent number 5,704,238
    • Issue date Jan 6, 1998
    • Komatsu Ltd.
    • Shigeru Tokai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...