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Tadaharu Yokota

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Patents Grantslast 30 patents

  • Information Patent Grant

    Steering device
    • Patent number 11,377,136
    • Issue date Jul 5, 2022
    • Hitachi Astemo, Ltd.
    • Kohtaro Shiino
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic pressure control apparatus
    • Patent number 8,727,453
    • Issue date May 20, 2014
    • Hitachi Automotive Systems, Ltd.
    • Norihiro Saita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Normally-open solenoid valve including plunger formed with pressure...
    • Patent number 8,550,427
    • Issue date Oct 8, 2013
    • Hitachi Automotive Systems, Ltd.
    • Keigo Yoshida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power steering device
    • Patent number 7,596,441
    • Issue date Sep 29, 2009
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 7,387,186
    • Issue date Jun 17, 2008
    • Hitachi, Ltd.
    • Jun Soeda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering device
    • Patent number 7,325,645
    • Issue date Feb 5, 2008
    • Hitachi, Ltd.
    • Toshimitsu Sakaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 7,213,676
    • Issue date May 8, 2007
    • Hitachi, Ltd.
    • Jun Soeda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 7,155,905
    • Issue date Jan 2, 2007
    • Hitachi, Ltd.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 7,155,906
    • Issue date Jan 2, 2007
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 7,086,494
    • Issue date Aug 8, 2006
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 6,953,102
    • Issue date Oct 11, 2005
    • Hitachi, Ltd.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 6,886,657
    • Issue date May 3, 2005
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering device
    • Patent number 6,880,668
    • Issue date Apr 19, 2005
    • Hitachi, Ltd.
    • Toshimitsu Sakaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system
    • Patent number 6,851,507
    • Issue date Feb 8, 2005
    • Hitachi Unisia Automotive Ltd.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system for vehicles
    • Patent number 6,568,499
    • Issue date May 27, 2003
    • Unisia Jecs Corporation
    • Chiharu Nakazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Flow controlling apparatus for power steering systems
    • Patent number 6,041,883
    • Issue date Mar 28, 2000
    • Unisia Jecs Corporation
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power assist apparatus for steering system
    • Patent number 6,035,958
    • Issue date Mar 14, 2000
    • Unisia Jecs Corporation
    • Norihiro Saita
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power assisted steering apparatus for automotive vehicle
    • Patent number 5,975,232
    • Issue date Nov 2, 1999
    • Unisia Jecs Corporation
    • Koichi Komatsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering devices
    • Patent number 5,950,757
    • Issue date Sep 14, 1999
    • Unisia Jecs Corporation
    • Norihiro Saita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power assisted steering apparatus for automotive vehicle
    • Patent number 5,921,342
    • Issue date Jul 13, 1999
    • Unisia Jecs Corporation
    • Tatsuyoshi Maruyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure control valve unit
    • Patent number 5,174,338
    • Issue date Dec 29, 1992
    • Atsugi Motor Parts Company, Limited
    • Tadaharu Yokota
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    STEERING DEVICE
    • Publication number 20200079419
    • Publication date Mar 12, 2020
    • Hitachi Automotive Systems, Ltd.
    • Kohtaro SHIINO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Pump Apparatus
    • Publication number 20140076429
    • Publication date Mar 20, 2014
    • Hitachi Automotive Systems, Ltd.
    • YOHEI MASUI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC PRESSURE CONTROL APPARATUS
    • Publication number 20110221264
    • Publication date Sep 15, 2011
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Norihiro SAITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    NORMALLY-OPEN SOLENOID VALVE
    • Publication number 20110062361
    • Publication date Mar 17, 2011
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Keigo YOSHIDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE CONTROL APPARATUS FOR VEHICLES
    • Publication number 20080230337
    • Publication date Sep 25, 2008
    • Hitachi, Ltd.
    • Keigo Kajiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Power Steering Device and Method of Controlling the Power Steering...
    • Publication number 20080006469
    • Publication date Jan 10, 2008
    • Hitachi,Ltd.
    • Mitsuo Sasaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering device
    • Publication number 20070074926
    • Publication date Apr 5, 2007
    • Hitachi, Ltd.
    • Toru Takahashi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering device
    • Publication number 20070043490
    • Publication date Feb 22, 2007
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering apparatus
    • Publication number 20060081411
    • Publication date Apr 20, 2006
    • Hitachi, Ltd.
    • Jun Soeda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering apparatus
    • Publication number 20060064973
    • Publication date Mar 30, 2006
    • Hitachi, Ltd.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20050236220
    • Publication date Oct 27, 2005
    • Hitachi, Ltd.
    • Jun Soeda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20050193727
    • Publication date Sep 8, 2005
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20050173182
    • Publication date Aug 11, 2005
    • Hitachi, Ltd.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering device
    • Publication number 20050150710
    • Publication date Jul 14, 2005
    • Hitachi, Ltd.
    • Toshimitsu Sakaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20050103560
    • Publication date May 19, 2005
    • HITACHI UNISIA AUTOMOTIVE, LTD.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20040134709
    • Publication date Jul 15, 2004
    • HITACHI UNISIA AUTOMOTIVE, LTD.
    • Masakazu Kurata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system
    • Publication number 20030178241
    • Publication date Sep 25, 2003
    • HITACHI UNISIA AUTOMOTIVE, LTD.
    • Tadaharu Yokota
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering device
    • Publication number 20020170769
    • Publication date Nov 21, 2002
    • UNISIA JECS CORPORATION
    • Toshimitsu Sakaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power steering system for vehicles
    • Publication number 20020060104
    • Publication date May 23, 2002
    • UNISIA JECS CORPORATION
    • Chiharu Nakazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS