Patents by Inventor Toshiya Seo

Toshiya Seo 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 highway system with dual transmitting loop lines
    Patent number: 4446551
    Abstract: A data highway system comprises a master station and a plurality of remote stations, connected through dual transmitting loop lines, and detecting means for detecting the breakage or disconnection of transmitting or substantially equal thereto, loop-back is automatically constituted responsive to the output of the detecting means to promptly return to normal condition.
    Type: Grant
    Filed: October 8, 1981
    Date of Patent: May 1, 1984
    Assignee: Kabushiki Kaisha Meidensha
    Inventor: Toshiya Seo