TREA

Hirokazu Araya

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shovel
    • Patent number 6,789,335
    • Issue date Sep 14, 2004
    • Kobelco Construction Machinery Co., Ltd.
    • Hideki Kinugawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Capacitor-equipped working machine
    • Patent number 6,635,973
    • Issue date Oct 21, 2003
    • Kobelco Construction Machinery Co., Ltd.
    • Masayuki Kagoshima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING