TREA

Toshiaki Okumura

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure sensor
    • Patent number 6,474,170
    • Issue date Nov 5, 2002
    • Nagano Keiki Co., Ltd.
    • Kouzou Yamagishi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pressure sensor
    • Patent number 6,298,730
    • Issue date Oct 9, 2001
    • Nagano Keiki Co., Ltd.
    • Kouzou Yamagishi
    • G01 - MEASURING TESTING