TREA

Hirofumi Okubo

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Split mechanical seal
    • Patent number 8,448,950
    • Issue date May 28, 2013
    • Eagle Industry Co., Ltd.
    • Tetsuya Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SPLIT MECHANICAL SEAL
    • Publication number 20100264597
    • Publication date Oct 21, 2010
    • Tetsuya Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...