TREA

Ryohei Suzuki

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  • Niihari-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device
    • Patent number 6,783,129
    • Issue date Aug 31, 2004
    • Hitachi Construction Machinery Co., Ltd.
    • Hideki Akita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method of producing spray deposit on bearing boss
    • Patent number 6,678,956
    • Issue date Jan 20, 2004
    • Hitachi Construction Machinery Co., Ltd.
    • Wataru Idetsu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Working apparatus for construction machine
    • Patent number 6,564,480
    • Issue date May 20, 2003
    • Hitachi Construction Machinery Co., Ltd.
    • Sadahisa Tomita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Joint pin lock mechanism for pivotal pin joint
    • Patent number 6,273,632
    • Issue date Aug 14, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Ei Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing device
    • Publication number 20030102635
    • Publication date Jun 5, 2003
    • Hideki Akita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Method of producing spray deposit on bearing boss
    • Publication number 20020162225
    • Publication date Nov 7, 2002
    • Wataru Idetsu
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...