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Ryoichi Tokioka

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  • Kashiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steering device
    • Patent number 12,286,147
    • Issue date Apr 29, 2025
    • JTEKT CORPORATION
    • Ryoichi Tokioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steering device
    • Patent number 12,233,934
    • Issue date Feb 25, 2025
    • JTEKT CORPORATION
    • Yasuyuki Nozawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering device
    • Patent number 11,472,465
    • Issue date Oct 18, 2022
    • JTEKT Corporation
    • Yasuyuki Nozawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Steering apparatus
    • Patent number 11,247,713
    • Issue date Feb 15, 2022
    • JTEKT Corporation
    • Yasuyuki Nozawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle steering system
    • Patent number 10,569,802
    • Issue date Feb 25, 2020
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of manufacturing torque transmission shaft and vehicle steer...
    • Patent number 9,771,969
    • Issue date Sep 26, 2017
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Spline telescopic shaft and method for manufacturing the same and v...
    • Patent number 8,753,215
    • Issue date Jun 17, 2014
    • JTEKT Corporation
    • Ryoichi Tokioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spline telescopic shaft, method for manufacturing spline telescopic...
    • Patent number 8,419,555
    • Issue date Apr 16, 2013
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Telescopic shaft and vehicle steering apparatus
    • Patent number 8,342,056
    • Issue date Jan 1, 2013
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Collapsible steering apparatus
    • Patent number 7,434,839
    • Issue date Oct 14, 2008
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    STEERING DEVICE
    • Publication number 20250091635
    • Publication date Mar 20, 2025
    • JTEKT CORPORATION
    • Ryoichi TOKIOKA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20250050936
    • Publication date Feb 13, 2025
    • JTEKT CORPORATION
    • Yoshihiro OONO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20250018994
    • Publication date Jan 16, 2025
    • JTEKT CORPORATION
    • Yasuyuki NOZAWA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING APPARATUS
    • Publication number 20210016820
    • Publication date Jan 21, 2021
    • JTEKT CORPORATION
    • Yasuyuki NOZAWA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20200339179
    • Publication date Oct 29, 2020
    • JTEKT Corporation
    • Yasuyuki NOZAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicle Steering System
    • Publication number 20180093707
    • Publication date Apr 5, 2018
    • JTEKT Corporation
    • Ryoichi TOKIOKA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    METHOD OF MANUFACTURING TORQUE TRANSMISSION SHAFT AND VEHICLE STEER...
    • Publication number 20140059832
    • Publication date Mar 6, 2014
    • JTEKT CORPORATION
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SPLINE TELESCOPIC SHAFT, VEHICLE STEERING APPARATUS WITH THE SPLINE...
    • Publication number 20120080258
    • Publication date Apr 5, 2012
    • KOYO MACHINE INDUSTRIES CO., LTD.
    • Ryoichi Tokioka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Spline telescopic shaft, method for manufacturing spline telescopic...
    • Publication number 20110034256
    • Publication date Feb 10, 2011
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Spline telescopic shaft and method for manufacturing the same and v...
    • Publication number 20110030496
    • Publication date Feb 10, 2011
    • JTEKT Corporation
    • Ryoichi Tokioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Telescopic shaft and vehicle steering apparatus
    • Publication number 20100126300
    • Publication date May 27, 2010
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Extendable Shaft and Motor Vehicle Steering Apparatus
    • Publication number 20090203455
    • Publication date Aug 13, 2009
    • JTEKT Corporation
    • Ryoichi Tokioka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS