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Hiroyasu Shirakawa

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  • Shizuoka-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hollow fiber membrane module and fuel cell system
    • Patent number 8,308,943
    • Issue date Nov 13, 2012
    • Toyota Jidosha Kabushiki Kaisha
    • Hirofumi Kanazawa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Filter device
    • Patent number 7,094,344
    • Issue date Aug 22, 2006
    • NOK Corporation
    • Hiroyasu Shirakawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HOLLOW FIBER MEMBRANE MODULE AND FUEL CELL SYSTEM
    • Publication number 20100068603
    • Publication date Mar 18, 2010
    • Hirofumi Kanazawa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Hollow fiber membrane module
    • Publication number 20090242474
    • Publication date Oct 1, 2009
    • NOK Corporation
    • Hiroyasu Shirakawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filtering device
    • Publication number 20060091062
    • Publication date May 4, 2006
    • NOK CORPORA6TION
    • Hideo Akahori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter device
    • Publication number 20050103700
    • Publication date May 19, 2005
    • Hiroyasu Shirakawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL