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Tetsuya TAMAGAWA

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  • Chiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    In-situ stress measurement method
    • Patent number 11,493,393
    • Issue date Nov 8, 2022
    • Japan Petroleum Exploration Co., Ltd.
    • Takatoshi Ito
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    IN-SITU STRESS MEASUREMENT METHOD
    • Publication number 20230349288
    • Publication date Nov 2, 2023
    • JAPAN PETROLEUM EXPLORATION CO., LTD.
    • Takatoshi ITO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    IN-SITU STRESS MEASUREMENT METHOD
    • Publication number 20200149984
    • Publication date May 14, 2020
    • Takatoshi ITO
    • E21 - EARTH DRILLING MINING