Teppei Ookawa

Person

  • Kounan, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Oxygen sensor

    • Patent number 6,679,982
    • Issue date Jan 20, 2004
    • NGK Spark Plug Co., Ltd.
    • Hiroshi Matsuzaki
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents