Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Motonari Udo0
Takashi Urabe0
Satoshi Araki0
Tsuyoshi Ito0
Takayasu Aoki0
Masahiro Ikuta0
Date of Patent
July 26, 2011
0Patent Application Number
121038120
Date Filed
April 16, 2008
0Patent Primary Examiner
Patent abstract
A method for producing a developing agent, includes preparing a dispersion of particles containing a binder resin and a coloring agent and forming toner particles by aggregating and fusing the particles, in which the number of coarse particles having a particle size of 0.6 μm or larger after the solid concentration of the dispersion of particles is adjusted to 1 ppm is less than 3,000 per μL.
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