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Akira Okawa

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  • Nisshin-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching valve for EGR cooler
    • Patent number 7,900,610
    • Issue date Mar 8, 2011
    • Aisan Kogyo Kabushiki Kaisha
    • Akira Okawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Flow passage switching valve
    • Patent number 7,438,062
    • Issue date Oct 21, 2008
    • Aisan Kogyo Kabushiki Kaisha
    • Akira Okawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Switching valve for EGR cooler
    • Publication number 20100126478
    • Publication date May 27, 2010
    • Aisan Kogyo Kabushiki Kaisha
    • Akira Okawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EGR cooler bypass switching system
    • Publication number 20090056682
    • Publication date Mar 5, 2009
    • Aisan Kogyo Kabushiki Kaisha
    • Akira Okawa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Flow passage switching valve
    • Publication number 20070084448
    • Publication date Apr 19, 2007
    • Aisan Kogyo Kabushiki Kaisha
    • Akira Okawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS