Patents by Inventor Nobuya Fujiwara

Nobuya Fujiwara 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).

  • Publication number: 20060144777
    Abstract: The present invention provides a hollow fiber membrane module comprising hollow fiber membrane element or elements in a pressure vessel, in which a feed fluid can be supplied to a feed fluid distribution pipe disposed at a center portion of each hollow fiber membrane element, the pressure vessel having at least two feed fluid passage nozzles on the outer peripheral side in the vicinity of one end and at least two concentrated fluid passage nozzles on the outer peripheral side in the vicinity of the other end; and a hollow fiber membrane module arrangement group that comprises such hollow fiber membrane modules and substantially eliminates need for header pipes at the supply side and the concentration side.
    Type: Application
    Filed: September 25, 2003
    Publication date: July 6, 2006
    Inventors: Atsuo Kumano, Katsushige Marui, Hideto Kotera, Nobuya Fujiwara