Patents by Inventor Yutaka MAKIBE

Yutaka MAKIBE 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).

  • ELECTROPHOTOGRAPHIC DEVELOPER, REPLENISHMENT DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD
    Publication number: 20200319571
    Abstract: An electrophotographic developer is provided. The electrophotographic developer comprises a toner and a carrier. The toner contains alumina particles. The carrier comprises a core particle and a resin layer coating a surface of the core particle. The carrier has a volume average particle diameter (Dv) of from 45 to 70 ?m and a bulk density of from 2.1 to 2.5 g/cm3.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 8, 2020
    Inventors: Kento TAKEUCHI, Yutaka MAKIBE, Kenichi MASHIKO, Masato TAIKOJI, Kei NIWAYAMA