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Ryuji Nakata

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grease composition and hub unit
    • Patent number 11,421,176
    • Issue date Aug 23, 2022
    • JTEKT Corporation
    • Koji Yoshizaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Speed reducer and electric power steering system
    • Patent number 9,061,698
    • Issue date Jun 23, 2015
    • JTEKT Corporation
    • Yuji Wakugawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Lubricant composition, speed reduction gear, and electric power ste...
    • Patent number 8,513,171
    • Issue date Aug 20, 2013
    • JTEKT Corporation
    • Ryuji Nakata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Turbocharger
    • Patent number 8,308,431
    • Issue date Nov 13, 2012
    • JTEKT Corporation
    • Hiroshi Ueno
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Turbocharger
    • Patent number 8,105,053
    • Issue date Jan 31, 2012
    • JTEKT Corporation
    • Hiroshi Ueno
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rolling device and rolling device manufacturing method
    • Patent number 8,063,002
    • Issue date Nov 22, 2011
    • JTEKT Corporation
    • Kouji Kitahata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Polymeric lubricant packed bearing and method of producing the same
    • Patent number 7,008,115
    • Issue date Mar 7, 2006
    • Koyo Seiko Co., Ltd.
    • Ryuji Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing and method of fabricating the same
    • Patent number 5,588,751
    • Issue date Dec 31, 1996
    • Koyo Seiko Co., Ltd.
    • Ryuji Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GREASE COMPOSITION AND HUB UNIT
    • Publication number 20190218474
    • Publication date Jul 18, 2019
    • JTEKT CORPORATION
    • Koji YOSHIZAKI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    GREASE COMPOSITION, AND ROLLING DEVICE FOR VEHICLE
    • Publication number 20180298304
    • Publication date Oct 18, 2018
    • JTEKT CORPORATION
    • Koji YOSHIZAKI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    SPEED REDUCER AND ELECTRIC POWER STEERING SYSTEM
    • Publication number 20140102235
    • Publication date Apr 17, 2014
    • JTEKT Corporation
    • Yuji WAKUGAWA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    LUBRICANT COMPOSITION, SPEED REDUCTION GEAR, AND ELECTRIC POWER STE...
    • Publication number 20110168479
    • Publication date Jul 14, 2011
    • JTEKT CORPORATION
    • Ryuji Nakata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    ROLLING BEARING DEVICE AND ELECTRIC GENERATOR
    • Publication number 20100314959
    • Publication date Dec 16, 2010
    • JTEKT Corporation
    • Hiroshi Ueno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Turbocharger
    • Publication number 20090196743
    • Publication date Aug 6, 2009
    • JTEKT Corporation
    • Hiroshi Ueno
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Turbocharger
    • Publication number 20090081057
    • Publication date Mar 26, 2009
    • JTEKT Corporation
    • Hiroshi Ueno
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rolling bearing device and turbocharger incorporating same
    • Publication number 20090081040
    • Publication date Mar 26, 2009
    • JTEKT Corporation
    • Hiroshi Ueno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rolling device and rolling device manufacturing method
    • Publication number 20080293598
    • Publication date Nov 27, 2008
    • JTEKT Corporation
    • Kouji Kitahata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Supercharger
    • Publication number 20080083396
    • Publication date Apr 10, 2008
    • JTEKT Corporation
    • Hiroshi Ueno
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Supercharger
    • Publication number 20080083397
    • Publication date Apr 10, 2008
    • JTEKT Corporation
    • Hiroshi Ueno
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Turbocharger
    • Publication number 20080080966
    • Publication date Apr 3, 2008
    • JTKET CORPORATION
    • Hiroshi Ueno
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Polymeric lubricant packed bearing and method of producing the same
    • Publication number 20020191876
    • Publication date Dec 19, 2002
    • Ryuji Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Solid polymeric lubricant composition and polymeric lubricant packe...
    • Publication number 20020098988
    • Publication date Jul 25, 2002
    • Ryuji Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...