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Sumitaka Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Evaporator
    • Patent number 9,702,598
    • Issue date Jul 11, 2017
    • Keihin Thermal Technology Corporation
    • Sumitaka Watanabe
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 9,163,881
    • Issue date Oct 20, 2015
    • Keihin Thermal Technology Corporation
    • Sumitaka Watanabe
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger with drain grooves
    • Patent number 7,971,636
    • Issue date Jul 5, 2011
    • Showa Denko K.K.
    • Naohisa Higashiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Evaporator
    • Patent number 7,775,267
    • Issue date Aug 17, 2010
    • Showa Denko K.K.
    • Naohisa Higashiyama
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Evaporator
    • Patent number 7,726,389
    • Issue date Jun 1, 2010
    • Showa Denko K.K.
    • Sumitaka Watanabe
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    EVAPORATOR
    • Publication number 20150330681
    • Publication date Nov 19, 2015
    • Keihin Thermal Technology Corporation
    • Sumitaka Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT EXCHANGER
    • Publication number 20130105130
    • Publication date May 2, 2013
    • Keihin Thermal Technology Corporation
    • Sumitaka Watanabe
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Evaporator
    • Publication number 20080202153
    • Publication date Aug 28, 2008
    • SHOWA DENKO K.K.
    • Sumitaka Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT EXCHANGE TUBE AND EVAPORATOR
    • Publication number 20070277964
    • Publication date Dec 6, 2007
    • SHOWA DENKO K.K.
    • Naohisa HIGASHIYAMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT EXCHANGER
    • Publication number 20070209386
    • Publication date Sep 13, 2007
    • Naohisa Higashiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Heat exchanger
    • Publication number 20060213651
    • Publication date Sep 28, 2006
    • SHOWA DENKO K.K.
    • Naohisa Higashiyama
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Evaporator
    • Publication number 20060162376
    • Publication date Jul 27, 2006
    • SHOWA DENKO K.K.
    • Naohisa Higashiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...