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Masafumi Nakakoji

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speed reducer
    • Patent number 9,127,753
    • Issue date Sep 8, 2015
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor assembly with speed reducer
    • Patent number 9,005,066
    • Issue date Apr 14, 2015
    • NTN Corporation
    • Koji Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring clutch
    • Patent number 7,878,315
    • Issue date Feb 1, 2011
    • NTN Corporation
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fixed type constant velocity joint and method of producing the same
    • Patent number 7,153,213
    • Issue date Dec 26, 2006
    • NTN Corporation
    • Keisuke Sone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEED REDUCER
    • Publication number 20140228161
    • Publication date Aug 14, 2014
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MOTOR ASSEMBLY WITH SPEED REDUCER
    • Publication number 20140162826
    • Publication date Jun 12, 2014
    • Koji Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SPRING CLUTCH
    • Publication number 20110088993
    • Publication date Apr 21, 2011
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Linkage System
    • Publication number 20080028881
    • Publication date Feb 7, 2008
    • Keisuke Sone
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spring Clutch
    • Publication number 20070240964
    • Publication date Oct 18, 2007
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fixed type constant velocity joint and method of producing the same
    • Publication number 20040102251
    • Publication date May 27, 2004
    • Keisuke Sone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...