TREA

Hiroya Achiha

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball bearing
    • Patent number 7,077,575
    • Issue date Jul 18, 2006
    • NSK Ltd.
    • Takayuki Yatabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball bearing
    • Patent number 6,719,458
    • Issue date Apr 13, 2004
    • NSK Ltd.
    • Takayuki Yatabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Traction coefficient measurement device
    • Patent number 6,691,551
    • Issue date Feb 17, 2004
    • NSK, Ltd.
    • Ryoichi Otaki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Traction coefficient measurement device
    • Patent number 6,644,094
    • Issue date Nov 11, 2003
    • NSK Ltd.
    • Ryoichi Otaki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ball bearing
    • Patent number 6,524,008
    • Issue date Feb 25, 2003
    • NSK, Ltd.
    • Takayuki Yatabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Ball bearing
    • Publication number 20050074192
    • Publication date Apr 7, 2005
    • NSK Ltd
    • Takayuki Yatabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball bearing
    • Publication number 20030086629
    • Publication date May 8, 2003
    • NSK Ltd
    • Takayuki Yatabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Traction coefficient measurement device
    • Publication number 20020189320
    • Publication date Dec 19, 2002
    • NSK Ltd
    • Ryoichi Otaki
    • G01 - MEASURING TESTING