TREA

Takashi Oguro

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compression ring
    • Patent number 12,196,325
    • Issue date Jan 14, 2025
    • TPR CO., LTD.
    • Takashi Ozawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil control ring
    • Patent number 12,173,799
    • Issue date Dec 24, 2024
    • TPR CO., LTD.
    • Akira Hikone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL CONTROL RING
    • Publication number 20240141993
    • Publication date May 2, 2024
    • TPR CO., LTD.
    • Akira HIKONE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compression Ring
    • Publication number 20240110625
    • Publication date Apr 4, 2024
    • TPR CO., LTD.
    • Takashi Ozawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...