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Naoyuki Okuno

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Patents Grantslast 30 patents

  • Information Patent Grant

    Axial piston-type hydraulic rotary machine
    • Patent number 11,396,872
    • Issue date Jul 26, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi Yamada
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Wet brake device
    • Patent number 9,353,813
    • Issue date May 31, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Naoyuki Okuno
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Axial Piston-Type Hydraulic Rotary Machine
    • Publication number 20210277891
    • Publication date Sep 9, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi YAMADA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    WET BRAKE DEVICE
    • Publication number 20130248303
    • Publication date Sep 26, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Naoyuki Okuno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Spline Connection Structure
    • Publication number 20090252549
    • Publication date Oct 8, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshinori Takeuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...