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Masato Nagawa

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-gasket sealing structure
    • Patent number 6,123,339
    • Issue date Sep 26, 2000
    • Daiso Corporation
    • Hiroshi Otsuji
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GASKET
    • Publication number 20090273143
    • Publication date Nov 5, 2009
    • Masato Nagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Drive power apparatus and rotating member utilizing wind and blade...
    • Publication number 20040164561
    • Publication date Aug 26, 2004
    • Masato Nagawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Loosening-proof nut
    • Publication number 20040136809
    • Publication date Jul 15, 2004
    • Masato Nagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Bolt and method for manufacturing the bolt
    • Publication number 20030156921
    • Publication date Aug 21, 2003
    • Masato Nagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Structure of loosening-stop tightening means, loosening-stop bolt h...
    • Publication number 20030147716
    • Publication date Aug 7, 2003
    • DAIKI INDUSTRIES CO., LTD.
    • Masato Nagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...