Patents by Inventor Jouichiro Osuga

Jouichiro Osuga 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).

  • Automatic filtration dewatering system
    Patent number: 4944870
    Abstract: An automatic filtration dewatering system includes a cover to which a filtration raw liquid supply pipe and a pressure air supply pipe are connected. A plate having a filter medium support and a filtrate exhaust pipe is selectively closed by a cover with a pneumatic cylinder vertically moving said cover. Filter medium moving rollers are provided on both sides of the cover and plate, and a sheet-like long filter medium is stretched over said rollers for movement a predetermined distance per one step of filtration.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: July 31, 1990
    Assignee: Kabushiki Kaisha Yagishita
    Inventors: Aisaburo Yagishita, Yasunori Iriyama, Jouichiro Osuga