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Ryuji KOUNO

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  • Mito-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic drive fan control device
    • Patent number 11,396,839
    • Issue date Jul 26, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki Tanaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Clutch control device for work machine
    • Patent number 10,107,341
    • Issue date Oct 23, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Naoki Fukuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic Drive Fan Control Device
    • Publication number 20220056833
    • Publication date Feb 24, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki TANAKA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CLUTCH CONTROL DEVICE FOR WORK MACHINE
    • Publication number 20180087587
    • Publication date Mar 29, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Naoki FUKUDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...