TREA

Osamu Watanabe

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  • Tsuchiura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 6,922,925
    • Issue date Aug 2, 2005
    • Hitachi Construction Machinery Co., Ltd.
    • Osamu Watanabe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cooling apparatus for construction machine, and construction machine
    • Patent number 6,192,839
    • Issue date Feb 27, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Seiichirou Takeshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Cooling Fan Mounting Structure for Construction Machine
    • Publication number 20150204351
    • Publication date Jul 23, 2015
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Osamu Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20140301839
    • Publication date Oct 9, 2014
    • Shigehisa Funabashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20100266458
    • Publication date Oct 21, 2010
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Seiichiro Takeshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction machinery
    • Publication number 20030110669
    • Publication date Jun 19, 2003
    • Osamu Watanabe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING