Patents by Inventor Masatoyo Sumida

Masatoyo Sumida 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).

  • Parallel transmission system
    Patent number: 4818995
    Abstract: A parallel pulse transmission system, wherein the sending side converts original signals into line coded signals of a block coding type (mBnB line codes, m/2.gtoreq.2/3, n.gtoreq.3) and transmits them after aligning the timings of the blocks receiving side. The regenerates of the systems transmitted line codes and thereafter, aligns the timings of blocks of the line codes.
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: April 4, 1989
    Assignees: Hitachi Ltd., Nippon Telegraph and Telephone Corporation
    Inventors: Yoshitaka Takahashi, Yasushi Takahashi, Yukio Nakano, Akihiro Hori, Minoru Maeda, Yoshihiko Miyano, Ikuo Tokizawa, Masatoyo Sumida