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Hokuto Mine

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  • Oyama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-wall-tube heat exchanger
    • Patent number 8,590,604
    • Issue date Nov 26, 2013
    • Showa Denko K.K.
    • Naohisa Higashiyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Evaporator
    • Patent number 8,276,401
    • Issue date Oct 2, 2012
    • Showa Denko K.K.
    • Naohisa Higashiyama
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    EVAPORATOR
    • Publication number 20120198882
    • Publication date Aug 9, 2012
    • SHOWA DENKO K.K.
    • Motoyuki Takagi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Double-wall-tube heat exchanger
    • Publication number 20100326640
    • Publication date Dec 30, 2010
    • SHOWA DENKO K.K.
    • Naohisa Higashiyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Evaporator
    • Publication number 20100083694
    • Publication date Apr 8, 2010
    • SHOWA DENKO K.K.
    • Motoyuki Takagi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Evaporator
    • Publication number 20100077794
    • Publication date Apr 1, 2010
    • SHOWA DENKO K.K.
    • Naohisa Higashiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...