TREA

Kusuo Sato

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  • Tokyo, 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

    High speed-perforating apparatus
    • Patent number 6,394,717
    • Issue date May 28, 2002
    • Mitsubishi Materials Corporation
    • Shigeru Mazaki
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    Boring device and boring method
    • Publication number 20050039951
    • Publication date Feb 24, 2005
    • Kusuo Sato
    • B28 - WORKING CEMENT, CLAY, OR STONE