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NIPPON DIAMOND CO., LTD

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  • KANAGAWA-KEN, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling device and drilling method
    • Patent number 7,350,595
    • Issue date Apr 1, 2008
    • Mitsubishi Materials Corporation
    • Kusuo Sato
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Tool device, and method for drilling
    • Patent number 7,131,795
    • Issue date Nov 7, 2006
    • Mitsubishi Materials Corporation
    • Shigeru Mazaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Abrasive and boring method using the same
    • Patent number 6,959,771
    • Issue date Nov 1, 2005
    • Mitsubishi Materials Corporation
    • Shigeru Mazaki
    • B24 - GRINDING POLISHING