Patents by Inventor Shigeaki KAKUDA

Shigeaki KAKUDA 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).

  • Pulverizer
    Patent number: 9022307
    Abstract: The pulverizer including a pulverization chamber, a jet nozzle, a pulverization nozzle, and a collision member is provided. The pulverization nozzle includes an acceleration tube. The acceleration tube includes an acceleration part A and an acceleration part B. A center (a) of the supply aperture is positioned within the acceleration part A. A point of intersection (b) where central axes of the acceleration tube and the supply aperture intersect is positioned within the acceleration part B. An angle ? formed between the central axes of the acceleration tube and the supply aperture satisfies an inequation 30°??<60°.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Shigeaki Kakuda, Nobuyasu Makino
  • PULVERIZER
    Publication number: 20130248628
    Abstract: The pulverizer including a pulverization chamber, a jet nozzle, a pulverization nozzle, and a collision member is provided. The pulverization nozzle includes an acceleration tube. The acceleration tube includes an acceleration part A and an acceleration part B. A center (a) of the supply aperture is positioned within the acceleration part A. A point of intersection (b) where central axes of the acceleration tube and the supply aperture intersect is positioned within the acceleration part B. An angle ? formed between the central axes of the acceleration tube and the supply aperture satisfies an inequation 30°??<60°.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 26, 2013
    Inventors: Shigeaki KAKUDA, Nobuyasu Makino