Patents by Inventor Kenta Kawasumi

Kenta Kawasumi 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).

  • Pulverizing and coarse powder classifying apparatus and fine powder classifying apparatus
    Patent number: 8096492
    Abstract: A pulverizing and coarse powder classifying apparatus including: a mechanical pulverizer that pulverizes a powder raw material, a cyclone that collects pulverized powder, and a coarse powder classifier that separates coarse powder from the collected powder, wherein the coarse powder classifier is a cyclone classifier including a dispersion chamber equipped with a center core and used for dispersing the powder, and a classification chamber equipped with a separator core, and wherein the center core has at its center a fine powder discharge pipe.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: January 17, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Nobuyasu Makino, Kouji Noge, Kenta Kawasumi
  • PULVERIZING AND COARSE POWDER CLASSIFYING APPARATUS AND FINE POWDER CLASSIFYING APPARATUS
    Publication number: 20100170973
    Abstract: A pulverizing and coarse powder classifying apparatus including: a mechanical pulverizer that pulverizes a powder raw material, a cyclone that collects pulverized powder, and a coarse powder classifier that separates coarse powder from the collected powder, wherein the coarse powder classifier is a cyclone classifier including a dispersion chamber equipped with a center core and used for dispersing the powder, and a classification chamber equipped with a separator core, and wherein the center core has at its center a fine powder discharge pipe.
    Type: Application
    Filed: May 14, 2008
    Publication date: July 8, 2010
    Inventors: Nobuyasu Makino, Kouji Noge, Kenta Kawasumi