The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 04, 2025

Filed:

Sep. 14, 2022
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Takahiro Yamashita, Kanagawa, JP;

Yukiaki Nakamura, Kanagawa, JP;

Yoshimasa Fujihara, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0804 (2013.01); G03G 9/08755 (2013.01);
Abstract

A method for producing an electrostatic charge image developing toner includes forming aggregated particles by aggregating at least resin particles in a dispersion liquid containing the resin particles, and fusing/coalescing the aggregated particles by heating an aggregated particle dispersion liquid containing a base having volatility and the aggregated particles dispersed therein in a fusion/coalescence tank which houses the aggregated particle dispersion liquid.


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