Patents by Inventor Naoyuki Mitani

Naoyuki Mitani 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).

  • Fluid separation method and apparatus
    Patent number: 4676905
    Abstract: Fluid separation method and apparatus for simultaneously carrying out dialysis and ultrafiltration and exactly controlling the ultrafiltration rate is disclosed. The method and apparatus is concerned with a dialysis system comprising the combination of a fluid separating device; one or more units for dialysate each unit, each unit comprising a pair of dialysate chambers separated by at least one partition which is movable or transformable while keeping the over-all volume of a pair of dialysate chambers constant; a variable speed dialysate feed pump; a variable speed dialysate discharge pump; and other devices e.g. monitoring devices.
    Type: Grant
    Filed: December 14, 1976
    Date of Patent: June 30, 1987
    Assignee: Toray Industries, Inc.
    Inventors: Shozo Nagao, Naoyuki Mitani, Teruyuki Nakagawa
  • Vibratory material of paper pulp and carbon fibers
    Patent number: 3935924
    Abstract: A vibratory plate of pulp and chopped carbon fibers mixed uniformly in the paper. The pulp is thoroughly beaten to a degree not higher than 300 cc. of Canadian standard freeness.
    Type: Grant
    Filed: December 20, 1973
    Date of Patent: February 3, 1976
    Assignee: Toray Industries, Inc.
    Inventors: Shozo Nagao, Naoyuki Mitani, Michinobu Ikuta, Kenji Fujisawa