Patents by Inventor Osamu Yasunaga

Osamu Yasunaga 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).

  • Patent number: 4878555
    Abstract: In a vehicle in which an air cleaner is disposed above an engine and connected with the engine through an intake pipe, an air intake passage for guiding air into the air cleaner is provided on the upper surface of a front fender covering a front wheel of the vehicle, so that particulates such as dust or the like entrained in running air is separated from the running air to admit the air free of the particulates into the air cleaner.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: November 7, 1989
    Assignee: Honad Giken Kogyo Kabushiki Kaisha
    Inventors: Osamu Yasunaga, Kazuharu Wakusaka, Fumio Inomata, Toshio Tsuchiya
  • Patent number: 4770262
    Abstract: A four-wheel buggy with a riding saddle seat includes a vehicle frame, a pair of front wheels and a pair of rear wheels rotatably suspended from the vehicle frame and projecting laterally from the vehicle frame. An air-cooled engine is mounted on the vehicle frame substantially centrally in the longitudinal direction of the vehicle frame. The four-wheel buggy also includes a pair of foot steps, a driver's seat mounted on an upper portion of the vehicle frame and supported by the vehicle frame, a handlebar operatively connected to the vehicle frame for steering the front wheels, and a body cover attached to the vehicle frame. The four-wheel buggy further includes a cooling fan unit mounted on the vehicle frame and including a fan and a drive unit for rotating the fan, and a control system for controlling the drive unit. The cooling fan unit is disposed in front of the engine for directing air from the cooling fan unit toward the engine.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: September 13, 1988
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Osamu Yasunaga, Toru Iwadate, Sigelu Tazima, Eiji Hosoya, Takamasa Omino, Yoshinobu Itani
  • Patent number: 4463964
    Abstract: A rear suspension system for motor vehicles. Both leg ends of a gate-shaped swing arm which at its free end supports the central part of a rear axle are pivotably secured to a vehicle body frame, a tension rod is provided between the lower end of a downwardly extending swing link mounted near the free end of the swing arm and a portion of the vehicle body frame near and below the above pivoted point of the swing arm, and one end of a damper disposed between both legs of the swing arm in a position above the tension rod is mounted near and above the pivoted point of the swing arm, while the other end thereof is attached to the swing link. The rear suspension system can be mounted in a relatively narrow space, and even with devices of relatively large capacities mounted thereabout, it can exhibit its damping characteristics satisfactorily.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: August 7, 1984
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Shinji Takayanagi, Yoshitaka Kato, Kunio Nanno, Osamu Yasunaga, Osamu Takeuchi, Ryozo Yamamoto, Kazuhiro Iwai, Hiroshi Kasai