TREA

Tomotaka Koga

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller chain transmission device
    • Patent number 7,244,206
    • Issue date Jul 17, 2007
    • Tsubakimoto Chain Co.
    • Isamu Okabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller chain transmission device
    • Patent number 7,077,774
    • Issue date Jul 18, 2006
    • Tsubakimoto Chain Co.
    • Isamu Okabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Roller chain transmission device
    • Publication number 20040192482
    • Publication date Sep 30, 2004
    • Isamu Okabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Roller chain transmission device
    • Publication number 20040192481
    • Publication date Sep 30, 2004
    • Isamu Okabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...