Patents by Inventor Tetsuo Kobune

Tetsuo Kobune 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).

  • Optical remote control apparatus employing light scattering plate
    Patent number: 3937949
    Abstract: An improvement in optical remote-control apparatus which comprises a light-beam transmitter and a light-receiver, wherein the improvement is that a light-scattering (i.e., light-diffusing) plate having a suitable area is provided in front of the light-receiver, so that the aiming tolerance of the light-beam transmitter becomes broader, enabling easy remote-control.
    Type: Grant
    Filed: May 30, 1973
    Date of Patent: February 10, 1976
    Assignee: Matsushita Electronics Corporation
    Inventors: Kiyotsugu Ishikawa, Tetsuo Kobune, Hitoo Iwasa, Iwao Teramoto