TREA

Hitoshi YAMAGUCHI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seal ring and sealing device
    • Patent number 10,760,687
    • Issue date Sep 1, 2020
    • TPR CO., LTD.
    • Hitoshi Yamaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal ring
    • Patent number 10,451,185
    • Issue date Oct 22, 2019
    • TPR CO., LTD.
    • Hitoshi Yamaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEAL RING AND SEALING DEVICE
    • Publication number 20190085981
    • Publication date Mar 21, 2019
    • TPR CO., LTD.
    • Hitoshi YAMAGUCHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL RING
    • Publication number 20190040956
    • Publication date Feb 7, 2019
    • Hitoshi YAMAGUCHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...