TREA

Goji Matsumoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oxygen sensor
    • Patent number 7,704,358
    • Issue date Apr 27, 2010
    • Hitachi, Ltd.
    • Futoshi Ichiyanagi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen concentration detecting element
    • Patent number 7,655,122
    • Issue date Feb 2, 2010
    • Hitachi, Ltd.
    • Shoichi Sakai
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Oxygen sensor
    • Publication number 20070199820
    • Publication date Aug 30, 2007
    • Hitachi, Ltd
    • Futoshi Ichiyanagi
    • G01 - MEASURING TESTING
  • Information Patent Application

    Oxygen concentration detecting element
    • Publication number 20050158459
    • Publication date Jul 21, 2005
    • Hitachi, Ltd.
    • Shoichi Sakai
    • G01 - MEASURING TESTING