Patents by Inventor Yasuo Yokoo

Yasuo Yokoo 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).

  • Coordinate input apparatus including an optical movement detection device used for optically inputting coordinates and pressed for switching a switch device
    Publication number: 20030021284
    Abstract: This coordinate input apparatus comprises an optical movement detection device and a switch device. The optical movement detection device projects a light on a detection object moving on an input portion, and receives the light reflected from the detection object so as to generate a move signal according to the light reflected from the detection object. The move signal includes moving direction information and moving distance information of the detection object. The switch device switches on and off by the optical movement detection device being displaced by the input portion being pressed.
    Type: Application
    Filed: May 22, 2002
    Publication date: January 30, 2003
    Inventors: Junichi Iwasaki, Yasuo Yokoo