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Akira Yamada

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupling apparatus for passage blocks
    • Patent number 8,167,511
    • Issue date May 1, 2012
    • Akira Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coupling apparatus for passage blocks
    • Patent number 7,942,600
    • Issue date May 17, 2011
    • Akira Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Coupling apparatus for passage blocks
    • Publication number 20100170586
    • Publication date Jul 8, 2010
    • Akira Yamada
    • Akira Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Coupling apparatus for passage blocks
    • Publication number 20090038698
    • Publication date Feb 12, 2009
    • Akira Yamada
    • Akira Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...