Patents by Inventor Toyoaki Wakita

Toyoaki Wakita 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).

  • Wheelchair, brake unit therefor, and brake unit for a manually-propelled vehicle
    Patent number: 7144025
    Abstract: A wheelchair is disclosed that includes a seat, a pair of wheels, a detection part indicating the presence or absence of a user on the seat, electric brake units switching between applying braking forces to and releasing braking forces from the wheels based on control signals, and a control part connected to the detection part and the electric brake units and outputting the control signals to the electric brake units. The control signals include a first control signal causing the braking forces by the electric brake units to be applied to the wheels and a second control signal causing the braking forces by the electric brake units to be released therefrom. The first control signal is output when the detection part indicates the absence of the user on the seat, and the second control signal is output when the detection part indicates the presence of the user on the seat.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: December 5, 2006
    Assignee: Teac Corporation
    Inventors: Toyoaki Wakita, Takao Nozawa, Kiyoshi Takagi
  • Wheelchair, brake unit therefor, and brake unit for a manually-propelled vehicle
    Publication number: 20050087954
    Abstract: A wheelchair is disclosed that includes a seat, a pair of wheels, a detection part indicating the presence or absence of a user on the seat, electric brake units switching between applying braking forces to and releasing braking forces from the wheels based on control signals, and a control part connected to the detection part and the electric brake units and outputting the control signals to the electric brake units. The control signals include a first control signal causing the braking forces by the electric brake units to be applied to the wheels and a second control signal causing the braking forces by the electric brake units to be released therefrom. The first control signal is output when the detection part indicates the absence of the user on the seat, and the second control signal is output when the detection part indicates the presence of the user on the seat.
    Type: Application
    Filed: October 22, 2004
    Publication date: April 28, 2005
    Inventors: Toyoaki Wakita, Takao Nozawa, Kiyoshi Takagi