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Koji Akiyoshi

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  • Saitama City, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    Gasket material
    • Publication number 20060100374
    • Publication date May 11, 2006
    • Yoshiaki Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Gasket material
    • Publication number 20060093780
    • Publication date May 4, 2006
    • Yoshiaki Hamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal gasket material sheet
    • Publication number 20050221052
    • Publication date Oct 6, 2005
    • Koji Akiyoshi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...