TREA

Kaoru Goto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit
    • Patent number 4,565,471
    • Issue date Jan 21, 1986
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Hideo Negishi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 4,373,839
    • Issue date Feb 15, 1983
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Hideo Negishi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents