TREA

Yutaka Nakayama

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air-fuel ratio detecting device
    • Patent number 4,792,387
    • Issue date Dec 20, 1988
    • NGK Spark Plug Co., Ltd.
    • Toshiyuki Ishihara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Plate-like alumina heater
    • Patent number 4,785,150
    • Issue date Nov 15, 1988
    • NGK Spark Plug So., Ltd.
    • Takao Kojima
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Oxygen sensor
    • Patent number 4,629,549
    • Issue date Dec 16, 1986
    • NGK Spark Plug Co., Ltd.
    • Takao Kojima
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Air-fuel ratio sensor
    • Patent number 4,624,770
    • Issue date Nov 25, 1986
    • NGK Spark Plug Co., Ltd.
    • Tetsusyo Yamada
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 4,498,968
    • Issue date Feb 12, 1985
    • NGK Spark Plug Co., Ltd.
    • Tetsusyo Yamada
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 4,450,065
    • Issue date May 22, 1984
    • NGK Spark Plug Co., Ltd.
    • Tetsusyo Yamada
    • G01 - MEASURING TESTING