TREA

Katsutoshi Aoki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling apparatus
    • Patent number 8,261,848
    • Issue date Sep 11, 2012
    • EMS Co., Ltd.
    • Katsutoshi Aoki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILLING APPARATUS
    • Publication number 20100252289
    • Publication date Oct 7, 2010
    • EMS CO., LTD.
    • Katsutoshi Aoki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING