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Koji Akiyoshi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation transmission device
    • Patent number 10,151,357
    • Issue date Dec 11, 2018
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 9,976,608
    • Issue date May 22, 2018
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 9,702,418
    • Issue date Jul 11, 2017
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 9,618,060
    • Issue date Apr 11, 2017
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 9,279,462
    • Issue date Mar 8, 2016
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Rotation transmission device
    • Patent number 9,109,642
    • Issue date Aug 18, 2015
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 9,103,384
    • Issue date Aug 11, 2015
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Speed reducer
    • Patent number 8,684,878
    • Issue date Apr 1, 2014
    • NTN Corporation
    • Koji Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission device
    • Patent number 8,448,764
    • Issue date May 28, 2013
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way clutch
    • Patent number 7,997,397
    • Issue date Aug 16, 2011
    • NTN Corporation
    • Koji Akiyoshi
    • 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

    Rotation transmission device
    • Patent number 7,874,413
    • Issue date Jan 25, 2011
    • NTN Corporation
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission changeover devices for four-wheel drive vehicles
    • Patent number 6,076,420
    • Issue date Jun 20, 2000
    • NTN Corporation
    • Kenichiro Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hub clutch assembly
    • Patent number 5,967,279
    • Issue date Oct 19, 1999
    • NTN Corporation
    • Kenichiro Itoh
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hub clutch assembly
    • Patent number 5,871,072
    • Issue date Feb 16, 1999
    • NTN Corporation
    • Kenichiro Itoh
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20160238092
    • Publication date Aug 18, 2016
    • NTN CORPORATION
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20160010702
    • Publication date Jan 14, 2016
    • Naotsugu KITAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20150075935
    • Publication date Mar 19, 2015
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20150075936
    • Publication date Mar 19, 2015
    • NTN Corporation
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20140345999
    • Publication date Nov 27, 2014
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    ROTATION TRANSMISSION DEVICE
    • Publication number 20140216882
    • Publication date Aug 7, 2014
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20130299298
    • Publication date Nov 14, 2013
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPEED REDUCER
    • Publication number 20130035191
    • Publication date Feb 7, 2013
    • Koji Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    ROTATION TRANSMISSION DEVICE
    • Publication number 20110061983
    • Publication date Mar 17, 2011
    • Takanobu Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20100314212
    • Publication date Dec 16, 2010
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    One-way clutch
    • Publication number 20080236977
    • Publication date Oct 2, 2008
    • Koji Akiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20080060896
    • Publication date Mar 13, 2008
    • NTN Corporation
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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...