TREA

Teppei Okawa

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas sensor
    • Patent number 6,346,179
    • Issue date Feb 12, 2002
    • NGK Spark Plug Co., Ltd.
    • Keisuke Makino
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,210,552
    • Issue date Apr 3, 2001
    • NGK Spark Plug Co., Ltd.
    • Akio Mizutani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,182,498
    • Issue date Feb 6, 2001
    • NGK Spark Plug Co., Ltd.
    • Akio Mizutani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Thick-film gas-sensitive element
    • Patent number RE33980
    • Issue date Jun 30, 1992
    • NGK Spark Plug Co., Ltd.
    • Toshitaka Matsuura
    • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, o...
  • Information Patent Grant

    Thick-film gas-sensitive element
    • Patent number 4,857,275
    • Issue date Aug 15, 1989
    • NGK Spark Plug Co., Ltd.
    • Keizo Furusaki
    • G01 - MEASURING TESTING