Patents by Inventor Makoto Noomi

Makoto Noomi 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).

  • Data communication method and apparatus therefor
    Patent number: 4244051
    Abstract: Two logical values of a 3-valued code correspond to the "1" and "0" values of a binary code. When the same binary logical value occurs in successive digits of data to be transmitted, the corresponding 3-valued logical value and a third logical value are transmitted alternately. When the different binary logical value occurs in the data alternately, the corresponding 3-valued logical values are transmitted alternately.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: January 6, 1981
    Assignee: Hitachi, Ltd.
    Inventors: Nobuyuki Fujikura, Makoto Noomi, Hirokazu Ihara