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:
Feb. 18, 2014

Filed:

Sep. 16, 2011
Applicants:

Asafumi Fujita, Kanagawa, JP;

Hirokazu Hamano, Kanagawa, JP;

Tetsuya Taguchi, Kanagawa, JP;

Hiroshi Kamada, Kanagawa, JP;

Masahiro Takagi, Kanagawa, JP;

Inventors:

Asafumi Fujita, Kanagawa, JP;

Hirokazu Hamano, Kanagawa, JP;

Tetsuya Taguchi, Kanagawa, JP;

Hiroshi Kamada, Kanagawa, JP;

Masahiro Takagi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A toner for developing an electrostatic image, includes: colored particles containing a colorant and a binder resin, and two or more kinds of inorganic particles that are externally added to a surface of the colored particles, in which the two or more kinds of inorganic particles contain titanium-containing particles and silica-containing particles, an exposure ratio of the surface of the colored particles is about 25% or less, and a ratio of the silica-containing particles that are in contact with the colored particles is about 10% by number or less.


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