Patents by Inventor Syogo Yokota

Syogo Yokota 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).

  • Corona discharge device
    Patent number: 5521383
    Abstract: A corona discharge device includes a plurality of discharge electrodes each having a pointed tip for concentrating electric field, a plurality of resistors and a common electrode, each of the plurality of resistors connects corresponding one of the plurality of discharge electrodes to the common electrode, and causes a prescribed voltage drop within a range of from 200 V to 2000 V.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: May 28, 1996
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuhiko Furukawa, Toshiaki Kagawa, Syogo Yokota, Hiroyuki Sawai, Toshihiro Tamura, Hiroshi Ishii