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Tomoki KUROKAWA

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shovel
    • Patent number 12,116,751
    • Issue date Oct 15, 2024
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Ryuji Shiratani
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Shovel and output device of shovel
    • Patent number 11,781,290
    • Issue date Oct 10, 2023
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki Kurokawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shovel and system of managing shovel
    • Patent number 11,492,777
    • Issue date Nov 8, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki Kurokawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shovel
    • Patent number 11,299,867
    • Issue date Apr 12, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki Kurokawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shovel and control valve for shovel
    • Patent number 11,078,646
    • Issue date Aug 3, 2021
    • Sumitomo(S.H.I) Construction Machinery Co., Ltd.
    • Tomoki Kurokawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SHOVEL
    • Publication number 20220010522
    • Publication date Jan 13, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Ryuji SHIRATANI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SHOVEL AND OUTPUT DEVICE OF SHOVEL
    • Publication number 20200318321
    • Publication date Oct 8, 2020
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki KUROKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL AND SYSTEM OF MANAGING SHOVEL
    • Publication number 20200299924
    • Publication date Sep 24, 2020
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki KUROKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL
    • Publication number 20200173143
    • Publication date Jun 4, 2020
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki KUROKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL AND CONTROL VALVE FOR SHOVEL
    • Publication number 20190169819
    • Publication date Jun 6, 2019
    • SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
    • Tomoki KUROKAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL