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:
Oct. 07, 2014

Filed:

Aug. 02, 2012
Applicants:

Satoshi Kamiwaki, Kanagawa, JP;

Akira Matsumoto, Kanagawa, JP;

Yukiaki Nakamura, Kanagawa, JP;

Masanobu Ninomiya, Kanagawa, JP;

Yusuke Ikeda, Kanagawa, JP;

Inventors:

Satoshi Kamiwaki, Kanagawa, JP;

Akira Matsumoto, Kanagawa, JP;

Yukiaki Nakamura, Kanagawa, JP;

Masanobu Ninomiya, Kanagawa, JP;

Yusuke Ikeda, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrostatic charge image developing toner includes toner particles that contain a binder resin having a carboxyl group, in which the carboxyl group in the binder resin present on the surfaces of the toner particles forms an alkaline earth metal salt, and an amount of the alkaline earth metal which is detected through ion chromatography of the toner particles is in a range of from 1.00×10mol/g to 0.90×10mol/g.


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