Patents by Inventor Noriaki Tsukida

Noriaki Tsukida 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 manufacturing cellulose beads
    Patent number: 5972507
    Abstract: A method for producing cellulose beads which are high in sphericity and narrow in bead size distribution. Cellulose beads are produced by supplying a cellulose solution into a rotating vessel which is rotated at high speed by a rotary shaft and has outlets such as small holes and nozzles, flying droplets formed under a centrifugal acceleration of 10 to 1000 G through the outlets that have a diameter of 0.1 to 5.0 mm, and capturing the droplets with a coagulating solution to coagulate the droplets.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: October 26, 1999
    Assignee: Rengo Co., Ltd.
    Inventors: Yasuo Morimoto, Noriaki Tsukida, Hiroshi Saga, Hidenao Saito