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Seiichi Otani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Contact combustion gas sensor
    • Patent number 7,526,942
    • Issue date May 5, 2009
    • Riken Keiki Co., Ltd.
    • Seiichi Otani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 7,479,255
    • Issue date Jan 20, 2009
    • Riken Keiki Co., Ltd.
    • Seiichi Otani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas detector-alarm employing hot-wire gas sensor
    • Patent number 6,348,872
    • Issue date Feb 19, 2002
    • Riken Keiko Co., Ltd.
    • Seiichi Otani
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    Contact combustion gas sensor
    • Publication number 20060133962
    • Publication date Jun 22, 2006
    • Riken Keiki Co., Ltd.
    • Seiichi Otani
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor
    • Publication number 20050042141
    • Publication date Feb 24, 2005
    • Seiichi Otani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...