Patents by Inventor Munekazu Fujiwara

Munekazu Fujiwara 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).

  • Axle unit for a vehicle
    Patent number: 6877903
    Abstract: An axle unit for a vehicle is provided which comprises a hub that installs thereon a vehicle wheel and is rotatable together with the vehicle wheel, a hub bearing that is mounted on a vehicle body and rotatably supports the hub, a rotary encoder that is attached concentrically to the hub and is rotatable together with the hub, a cover that is made of a non-magnetic material and covers an open end of the hub bearing that is located on the side thereof where the rotary encoder is provided, a rotational speed sensor that has a detecting section that is made of a magnetic material and disposed outside the cover and so as to face the rotary encoder, and a magnetic body that is provided at a portion of the cover that is placed between the detecting section of the rotational speed sensor and the rotary encoder.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: April 12, 2005
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takahiro Aiba, Munekazu Fujiwara
  • Axle unit for a vehicle
    Publication number: 20030218457
    Abstract: An axle unit for a vehicle is provided which comprises a hub that installs thereon a vehicle wheel and is rotatable together with the vehicle wheel, a hub bearing that is mounted on a vehicle body and rotatably supports the hub, a rotary encoder that is attached concentrically to the hub and is rotatable together with the hub, a cover that is made of a non-magnetic material and covers an open end of the hub bearing that is located on the side thereof where the rotary encoder is provided, a rotational speed sensor that has a detecting section that is made of a magnetic material and disposed outside the cover and so as to face the rotary encoder, and a magnetic body that is provided at a portion of the cover that is placed between the detecting section of the rotational speed sensor and the rotary encoder.
    Type: Application
    Filed: March 11, 2003
    Publication date: November 27, 2003
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Takahiro Aiba, Munekazu Fujiwara