TREA

Toshifumi Sekiya

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for evaluating an oxygen sensor
    • Patent number 4,825,683
    • Issue date May 2, 1989
    • NGK Spark Plug Co., Ltd.
    • Akio Takami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 4,620,437
    • Issue date Nov 4, 1986
    • NGK Spark Plug Co., Ltd.
    • Akio Takami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Metal-ceramic bonded material
    • Patent number 4,532,179
    • Issue date Jul 30, 1985
    • NGK Spark Plug Co., Ltd
    • Akio Takami
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Gas component detector
    • Patent number 4,417,228
    • Issue date Nov 22, 1983
    • NGK Spark Plug Co., Ltd.
    • Akio Takami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensing element
    • Patent number 4,415,877
    • Issue date Nov 15, 1983
    • NGK Spark Plug Co., Ltd.
    • Akio Takami
    • G01 - MEASURING TESTING