Patents by Inventor Eiji Iritani

Eiji Iritani 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).

  • Method of filtering suspension
    Patent number: 4717486
    Abstract: In a method of filtering and condensing a suspension containing a solid suspended substance, the improvement comprising the step of vibrating a board member provided in the suspension in opposed relation with a filtration surface in a direction parallel to the filtration surface. The board member is provided at a distance of preferably 10 mm or less from the filtration surface.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: January 5, 1988
    Assignee: Kabushiki Kaisha Sanshin Seisakusho
    Inventors: Monpei Shirato, Eiji Iritani, Aisaburo Yagishita, Kazuhiko Yagishita