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Koji SHIWAKU

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  • Tsuchiura-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Work machine and control system for work machine
    • Patent number 12,331,489
    • Issue date Jun 17, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Koji Shiwaku
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 12,331,484
    • Issue date Jun 17, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi Ito
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Operation assistance system for work machine having an extendable w...
    • Patent number 12,077,945
    • Issue date Sep 3, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki Chiba
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20250237037
    • Publication date Jul 24, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20240287765
    • Publication date Aug 29, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki ISHII
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE CONTROL SYSTEM
    • Publication number 20240229418
    • Publication date Jul 11, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shinjiro YAMAMOTO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE CONTROL SYSTEM
    • Publication number 20240133157
    • Publication date Apr 25, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shinjiro YAMAMOTO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20240011251
    • Publication date Jan 11, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki CHIBA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE AND CONTROL SYSTEM FOR WORK MACHINE
    • Publication number 20230358024
    • Publication date Nov 9, 2023
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Koji SHIWAKU
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230323631
    • Publication date Oct 12, 2023
    • Masamichi ITO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230304261
    • Publication date Sep 28, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki ISHII
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Operation Assistance System for Work Machine
    • Publication number 20220282459
    • Publication date Sep 8, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki CHIBA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20220267998
    • Publication date Aug 25, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING