Patents by Inventor Kiyoshi Sasanuma

Kiyoshi Sasanuma 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 signal transmission system for an automotive vehicle
    Patent number: 4456903
    Abstract: An optical signal transmission system for an automotive vehicle by which a number of electric signals generated from switches arranged on the steering wheel are transferred to other controllers optically and digitally for control the necessary vehicle operating conditions with high reliability, without producing electrical noise even while steering wheel is being turned. The optical signal transmission system of the present invention comprises optical transmission devices including an electricity-to-light converting means, a light-transmitting ring, a light-to-electricity converting means, in addition to a digital circuit including an encoder, decoder, etc.
    Type: Grant
    Filed: March 24, 1981
    Date of Patent: June 26, 1984
    Assignee: Nissan Motor Company, Ltd.
    Inventors: Norimasa Kishi, Kiyoshi Sasanuma, Yasuhisa Takeuchi, Shinichi Kato