TREA

Masayuki Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 7,201,075
    • Issue date Apr 10, 2007
    • Koyo Seiko Co., Ltd.
    • Takashi Tsutsui
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 6,763,738
    • Issue date Jul 20, 2004
    • Koyo Seiko Co., Ltd.
    • Takashi Tsutsui
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric steering apparatus
    • Patent number 6,561,306
    • Issue date May 13, 2003
    • Koyo Seiko Co., Ltd.
    • Masayuki Watanabe
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power steering apparatus
    • Patent number 6,470,993
    • Issue date Oct 29, 2002
    • Koyo Seiko Co., Ltd.
    • Akinobu Matsuda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 5,482,128
    • Issue date Jan 9, 1996
    • Koyo Seiko Co., Ltd.
    • Manabu Takaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic power steering device responsive to speed of vehicle
    • Patent number 5,190,119
    • Issue date Mar 2, 1993
    • Koyo Seiko Co., Ltd.
    • Keiji Nomura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering apparatus
    • Patent number 5,133,423
    • Issue date Jul 28, 1992
    • Koyo Seiko Co., Ltd.
    • Waichiro Ijiri
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Torque sensor
    • Patent number 4,996,890
    • Issue date Mar 5, 1991
    • Koyo Seiko Co. Ltd.
    • Manabu Taniguchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power steering apparatus
    • Patent number 4,865,145
    • Issue date Sep 12, 1989
    • Koyo Seiko Co., Ltd.
    • Waichiro Ijiri
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric power steering apparatus
    • Publication number 20040149512
    • Publication date Aug 5, 2004
    • KOYO SEIKO CO., LTD.
    • Takashi Tsutsui
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Electric steering apparatus
    • Publication number 20010002630
    • Publication date Jun 7, 2001
    • Masayuki Watanabe
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS