Patents by Inventor Rei Katsuyama

Rei Katsuyama 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 for producing toner
    Patent number: 8247154
    Abstract: The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: August 21, 2012
    Assignee: Zeon Corporation
    Inventors: Hisashi Kurokawa, Rei Katsuyama, Fuminari Oyama, Hiroto Kidokoro
  • METHOD FOR PRODUCING TONER
    Publication number: 20100081078
    Abstract: The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity.
    Type: Application
    Filed: October 1, 2009
    Publication date: April 1, 2010
    Applicant: ZEON CORPORATION
    Inventors: Hisashi Kurokawa, Rei Katsuyama, Fuminari Oyama, Hiroto Kidokoro