TREA

Kouji Akiyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical seal
    • Patent number 7,819,405
    • Issue date Oct 26, 2010
    • Kobe Steel, Ltd.
    • Takao Ohama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL SEAL
    • Publication number 20070262532
    • Publication date Nov 15, 2007
    • Kabushiki Kaisha Kobe Seiko Sho
    • Takao Ohama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...