TREA

Yoshiyuki Yanase

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  • Gifu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Twist drill
    • Patent number 5,230,593
    • Issue date Jul 27, 1993
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Koujiro Imanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill
    • Patent number 5,088,863
    • Issue date Feb 18, 1992
    • Mitsubishi Materials Corporation
    • Koujiro Imanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill
    • Patent number 4,983,079
    • Issue date Jan 8, 1991
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Koujiro Imanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR