TREA

Hidehiko KATOH

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine safety management system, management apparatus
    • Patent number 11,148,593
    • Issue date Oct 19, 2021
    • Sumitomo(S.H.I) Construction Machinery Co., Ltd.
    • Takeya Izumikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Shovel
    • Patent number 10,687,026
    • Issue date Jun 16, 2020
    • Sumitomo(S.H.I) Construction Machinery Co., Ltd.
    • Takeya Izumikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONSTRUCTION MACHINE SAFETY MANAGEMENT SYSTEM, MANAGEMENT APPARATUS
    • Publication number 20190241124
    • Publication date Aug 8, 2019
    • SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
    • Takeya IZUMIKAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SHOVEL
    • Publication number 20180167588
    • Publication date Jun 14, 2018
    • SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
    • Takeya IZUMIKAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE