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Masao Nakamura

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  • Tsuchiura-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 9,562,344
    • Issue date Feb 7, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroshi Kumagai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Revolving frame of construction machine
    • Patent number 8,960,778
    • Issue date Feb 24, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Masao Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Vibration-damping support device
    • Patent number 8,950,738
    • Issue date Feb 10, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Masao Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cover for construction machine
    • Patent number D678918
    • Issue date Mar 26, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D678354
    • Issue date Mar 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Counterweight for construction machine
    • Patent number D678358
    • Issue date Mar 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D677703
    • Issue date Mar 12, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Construction machine
    • Patent number 8,240,415
    • Issue date Aug 14, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazumasa Okada
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 8,215,434
    • Issue date Jul 10, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Makoto Matsushita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Construction Machine
    • Publication number 20160215477
    • Publication date Jul 28, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroshi KUMAGAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    REVOLVING FRAME OF CONSTRUCTION MACHINE
    • Publication number 20130223966
    • Publication date Aug 29, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Masao Nakamura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Working Machine
    • Publication number 20130223967
    • Publication date Aug 29, 2013
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Tsuyoshi Shimizu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Vibration-Damping Support Device
    • Publication number 20100327502
    • Publication date Dec 30, 2010
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Masao Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20100242313
    • Publication date Sep 30, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Kazumasa Okada
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20100025136
    • Publication date Feb 4, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Makoto Matsushita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING