Patents by Inventor Sachio Yoshida

Sachio Yoshida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vehicle steering apparatus
    Patent number: 7233850
    Abstract: An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invention includes a control unit 14, which controls a steering actuator in accordance with the operation of a steering wheel 1. An operation reaction force generated by a reaction force actuator 9 is applied to the steering wheel. Within the tire W, stress sensors SL and SR and an air pressure sensor SP are provided. The control unit 14 controls the steering actuator 2 and the reaction force actuator 9 with referring to the tire load detected by these sensors.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: June 19, 2007
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Shirou Nakano, Sachio Yoshida, Ryouhei Hayama
  • Vehicle steering apparatus
    Publication number: 20040148078
    Abstract: An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invention includes a control unit 14, which controls a steering actuator in accordance with the operation of a steering wheel 1. An operation reaction force generated by a reaction force actuator 9 is applied to the steering wheel. Within the tire W, stress sensors SL and SR and an air pressure sensor SP are provided. The control unit 14 controls the steering actuator 2 and the reaction force actuator 9 with referring to the tire load detected by these sensors.
    Type: Application
    Filed: October 30, 2003
    Publication date: July 29, 2004
    Applicant: Koyo Seiko Co., Ltd.
    Inventors: Shirou Nakano, Sachio Yoshida, Ryouhei Hayama