Patents Assigned to Yukihiko Saitoh
  • Apparatus for vibrating seats
    Patent number: 6056357
    Abstract: An apparatus for vibrating a seat for effectively preventing a driver from dozing off during driving is provided which includes a seat fixed on a sliding mechanism mounted on a floor surface of an automobile, a direct current motor placed within a seat bottom of the seat, unbalanced weights connected with a rotation shaft of the direct current motor whereby the direct current motor is actuated so as to rotate the unbalanced weights and produce vibration for vibrating the seat.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: May 2, 2000
    Assignee: Yukihiko Saitoh
    Inventor: Masahiro Fukuoka