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Ikuo Tsunekawa

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  • Nagoya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Warm air furnace
    • Patent number 8,528,538
    • Issue date Sep 10, 2013
    • Rinnai Corporation
    • Ikuo Tsunekawa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    In-wall heater
    • Patent number 7,806,345
    • Issue date Oct 5, 2010
    • Rinnai Corporation
    • Ikuo Tsunekawa
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    WARM AIR FURNACE
    • Publication number 20110297139
    • Publication date Dec 8, 2011
    • RINNAI CORPORATION
    • Ikuo Tsunekawa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    WARM AIR FURNACE
    • Publication number 20110290228
    • Publication date Dec 1, 2011
    • RINNAI CORPORATION
    • Ikuo Tsunekawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    In-wall heater
    • Publication number 20060137678
    • Publication date Jun 29, 2006
    • RINNAI CORPORATION
    • Ikuo Tsunekawa
    • F24 - HEATING RANGES VENTILATING