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Shigeru Hirasawa

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  • Shiga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic excavator
    • Patent number 11,739,503
    • Issue date Aug 29, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Naoki Hagiwara
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,640,949
    • Issue date May 5, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru Hirasawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D854054
    • Issue date Jul 16, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru Hirasawa
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Construction machine
    • Patent number 10,323,557
    • Issue date Jun 18, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Hayato Kubota
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Counterweight for construction machine
    • Patent number D847213
    • Issue date Apr 30, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Shosei Kurosaka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cooling system for construction machine
    • Patent number 8,505,499
    • Issue date Aug 13, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru Hirasawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 7,559,601
    • Issue date Jul 14, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Hajime Ishii
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 7,530,418
    • Issue date May 12, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Hajime Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 7,338,114
    • Issue date Mar 4, 2008
    • Hitachi Construction Machinery Co., Ltd.
    • Hajime Ishii
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Construction machine
    • Patent number 7,287,810
    • Issue date Oct 30, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Hajime Ishii
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20240026641
    • Publication date Jan 25, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi MORIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230038839
    • Publication date Feb 9, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru HIRASAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC EXCAVATOR
    • Publication number 20210310218
    • Publication date Oct 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Naoki HAGIWARA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20180274423
    • Publication date Sep 27, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Hayato KUBOTA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20180238020
    • Publication date Aug 23, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru HIRASAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20110088637
    • Publication date Apr 21, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Shigeru HIRASAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20080035401
    • Publication date Feb 14, 2008
    • Hajime Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction machine
    • Publication number 20060266573
    • Publication date Nov 30, 2006
    • Hajime Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction machine
    • Publication number 20060254095
    • Publication date Nov 16, 2006
    • Hajime Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction machine
    • Publication number 20060170251
    • Publication date Aug 3, 2006
    • Hajime Ishii
    • B60 - VEHICLES IN GENERAL