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Keiichi TSUJI

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shovel
    • Patent number 12,252,868
    • Issue date Mar 18, 2025
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Keiichi Tsuji
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Shovel with external notification function
    • Patent number 12,054,919
    • Issue date Aug 6, 2024
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Keiichi Tsuji
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    DISPLAY DEVICE, SHOVEL, AND INFORMATION PROCESSING APPARATUS
    • Publication number 20220074171
    • Publication date Mar 10, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Takeya IZUMIKAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SHOVEL
    • Publication number 20220042286
    • Publication date Feb 10, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Keiichi TSUJI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SHOVEL
    • Publication number 20220042283
    • Publication date Feb 10, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Keiichi TSUJI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING