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Akira Hasegawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power steering apparatus
    • Patent number 6,012,347
    • Issue date Jan 11, 2000
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system having a mechanical safety breaker
    • Patent number 5,873,784
    • Issue date Feb 23, 1999
    • Toyota Jidosha Kabushiki Kaisha
    • Takashi Iwasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric motor for a steering mechanism
    • Patent number 5,719,459
    • Issue date Feb 17, 1998
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power-assisted steering apparatus
    • Patent number 4,940,104
    • Issue date Jul 10, 1990
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering system for wheeled vehicle
    • Patent number 4,730,688
    • Issue date Mar 15, 1988
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Control apparatus for power-assisted steering system
    • Patent number 4,691,796
    • Issue date Sep 8, 1987
    • Toyota Jidosha Kabushiki Kaisha
    • Shigeo Tanooka
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering mechanism of rack-and-pinion type
    • Patent number 4,640,148
    • Issue date Feb 3, 1987
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power steering apparatus
    • Patent number 4,633,963
    • Issue date Jan 6, 1987
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 4,606,424
    • Issue date Aug 19, 1986
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 4,583,610
    • Issue date Apr 22, 1986
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Changeover valve unit for power-assisted steering systems
    • Patent number 4,465,101
    • Issue date Aug 14, 1984
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Changeover valve unit for power-assisted steering systems
    • Patent number 4,381,698
    • Issue date May 3, 1983
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Akira Hasegawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Changeover valve unit for power-assisted steering systems
    • Patent number 4,381,799
    • Issue date May 3, 1983
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Yoshimi Sato
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    CHASSIS STRUCTURE
    • Publication number 20140217714
    • Publication date Aug 7, 2014
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Yoshihide Sekiya
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING APPARATUS FOR A VEHICLE
    • Publication number 20070187917
    • Publication date Aug 16, 2007
    • Toyota Jidosha Kabushiki Kaisha
    • Akira Hasegawa
    • B60 - VEHICLES IN GENERAL