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Tsutomu Ohkubo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball screw device
    • Patent number 7,921,743
    • Issue date Apr 12, 2011
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw mechanism
    • Patent number 7,530,283
    • Issue date May 12, 2009
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw apparatus
    • Patent number 7,363,835
    • Issue date Apr 29, 2008
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw apparatus
    • Patent number 7,222,553
    • Issue date May 29, 2007
    • NSK Ltd.
    • Shigeru Okita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 7,207,234
    • Issue date Apr 24, 2007
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 7,201,076
    • Issue date Apr 10, 2007
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear motion device
    • Patent number 7,159,484
    • Issue date Jan 9, 2007
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw device and linear motion device
    • Patent number 7,146,869
    • Issue date Dec 12, 2006
    • NSK Ltd.
    • Kazuo Miyaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 6,978,693
    • Issue date Dec 27, 2005
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw apparatus
    • Patent number 6,941,831
    • Issue date Sep 13, 2005
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 6,925,900
    • Issue date Aug 9, 2005
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw device and linear motion device
    • Patent number 6,813,968
    • Issue date Nov 9, 2004
    • NSK Ltd.
    • Kazuo Miyaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw mechanism
    • Patent number 6,742,408
    • Issue date Jun 1, 2004
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 6,581,489
    • Issue date Jun 24, 2003
    • NSK Ltd.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw device and linear motion device
    • Patent number 6,347,558
    • Issue date Feb 19, 2002
    • NSK Ltd.
    • Kazuo Miyaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LINEAR MOTION GUIDE DEVICE
    • Publication number 20240060532
    • Publication date Feb 22, 2024
    • NSK Ltd.
    • Tsutomu OHKUBO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball Screw
    • Publication number 20120240706
    • Publication date Sep 27, 2012
    • NSK LTD.
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw device
    • Publication number 20070137345
    • Publication date Jun 21, 2007
    • NSK LTD.
    • Eiji Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Linear motion device
    • Publication number 20060137485
    • Publication date Jun 29, 2006
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw mechanism
    • Publication number 20060117887
    • Publication date Jun 8, 2006
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball circulating member and ball screw
    • Publication number 20060032323
    • Publication date Feb 16, 2006
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw device
    • Publication number 20060027038
    • Publication date Feb 9, 2006
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20050235766
    • Publication date Oct 27, 2005
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw apparatus
    • Publication number 20050087031
    • Publication date Apr 28, 2005
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw device and linear motion device
    • Publication number 20050076734
    • Publication date Apr 14, 2005
    • NSK Ltd
    • Kazuo Miyaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw mechanism
    • Publication number 20040123692
    • Publication date Jul 1, 2004
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20030221501
    • Publication date Dec 4, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Linear motion device
    • Publication number 20030172760
    • Publication date Sep 18, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw apparatus
    • Publication number 20030121348
    • Publication date Jul 3, 2003
    • NSK Ltd
    • Shigeru Okita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw device and linear motion device
    • Publication number 20030061893
    • Publication date Apr 3, 2003
    • NSK Ltd
    • Kazuo Miyaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20030047019
    • Publication date Mar 13, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw apparatus
    • Publication number 20030031527
    • Publication date Feb 13, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw mechanism
    • Publication number 20030024337
    • Publication date Feb 6, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20030024336
    • Publication date Feb 6, 2003
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20020073794
    • Publication date Jun 20, 2002
    • NSK Ltd
    • Tsutomu Ohkubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...