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Isamu Chikuma

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric steering column apparatus
    • Patent number 6,711,965
    • Issue date Mar 30, 2004
    • NSK Ltd.
    • Masaki Tomaru
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Apparatus for supporting a steering column
    • Patent number 6,237,954
    • Issue date May 29, 2001
    • NSK Ltd.
    • Kenji Sato
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Shock absorbing type steering column apparatus
    • Patent number 6,237,955
    • Issue date May 29, 2001
    • NSK Ltd.
    • Kenji Sato
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 5,732,790
    • Issue date Mar 31, 1998
    • NSK Ltd.
    • Shuji Endo
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electrically-operated power steering apparatus
    • Patent number 5,685,390
    • Issue date Nov 11, 1997
    • NSK, Ltd.
    • Isamu Chikuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Four wheel steering apparatus
    • Patent number 5,508,921
    • Issue date Apr 16, 1996
    • NSK, Ltd.
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power steering device
    • Patent number 5,482,127
    • Issue date Jan 9, 1996
    • NSK Ltd.
    • Hiroshi Eda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric power steering system
    • Patent number 5,454,438
    • Issue date Oct 3, 1995
    • NSK Ltd.
    • Isamu Chikuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 5,445,238
    • Issue date Aug 29, 1995
    • NSK Ltd.
    • Isamu Chikuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 5,445,237
    • Issue date Aug 29, 1995
    • NSK Ltd.
    • Hiroshi Eda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Four-wheel steering apparatus
    • Patent number 5,295,550
    • Issue date Mar 22, 1994
    • NSK Ltd.
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle rear wheels steering apparatus
    • Patent number 5,248,009
    • Issue date Sep 28, 1993
    • NSK Ltd.
    • Shin Takehara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rear wheel steering apparatus for vehicle
    • Patent number 5,236,057
    • Issue date Aug 17, 1993
    • NSK Ltd.
    • Shin Takehara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering force control apparatus of power steering system
    • Patent number 5,147,009
    • Issue date Sep 15, 1992
    • Nippon Seiko Kabushiki Kaisha
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering apparatus
    • Patent number 5,048,852
    • Issue date Sep 17, 1991
    • Nippon Seiko Kabushiki Kaisha
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle steering system
    • Patent number 4,982,804
    • Issue date Jan 8, 1991
    • Mazda Motor Corporation
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering apparatus of a vehicle
    • Patent number 4,874,183
    • Issue date Oct 17, 1989
    • Nippon Seiko Kabushiki Kaisha
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electrical power steering apparatus
    • Patent number 4,834,201
    • Issue date May 30, 1989
    • Nippon Seiko Kabushiki Kaisha
    • Hiroya Miyazaki
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle four wheel steering system
    • Patent number 4,732,231
    • Issue date Mar 22, 1988
    • Mazda Motor Corporation
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering force control device for power steering system
    • Patent number 4,730,687
    • Issue date Mar 15, 1988
    • Nippon Seiko Kabushiki Kaisha
    • Isamu Chikuma
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rack shaft supporting device
    • Patent number 4,724,717
    • Issue date Feb 16, 1988
    • Nippon Seiko Kabushiki Kaisha
    • Isamu Chikuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Four-wheel steering system for vehicle
    • Patent number 4,646,867
    • Issue date Mar 3, 1987
    • Mazda Motor Corporation
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering apparatus of a vehicle
    • Patent number 4,621,702
    • Issue date Nov 11, 1986
    • Mazda Motor Corp.
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering system for vehicle
    • Patent number 4,610,328
    • Issue date Sep 9, 1986
    • Mazda Motor Corp.
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering system for vehicle
    • Patent number 4,601,357
    • Issue date Jul 22, 1986
    • Mazada Motor Corp.
    • Akihiko Miyoshi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Four-wheel steering system for vehicle
    • Patent number 4,572,316
    • Issue date Feb 25, 1986
    • Mazda Motor Corporation
    • Hirotaka Kanazawa
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric steering column apparatus
    • Publication number 20020124677
    • Publication date Sep 12, 2002
    • NSK Ltd
    • Masaki Tomaru
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS