TREA

Naoki Matubara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal type flowmeter
    • Patent number 5,222,395
    • Issue date Jun 29, 1993
    • Oval Engineering Co., Ltd.
    • Naoki Matubara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Calorimeter
    • Patent number 5,167,450
    • Issue date Dec 1, 1992
    • Tokyo Gas Co., Ltd.
    • Kazumitu Nukui
    • G01 - MEASURING TESTING