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:
Apr. 08, 2014

Filed:

Jun. 28, 2010
Applicants:

Ryota Inoue, Shizuoka, JP;

Akihiro Kotsugai, Shizuoka, JP;

Akiyoshi Sabu, Shizuoka, JP;

Shingo Sakashita, Shizuoka, JP;

Yukiko Nakajima, Shizuoka, JP;

Keiko Osaka, Shizuoka, JP;

Inventors:

Ryota Inoue, Shizuoka, JP;

Akihiro Kotsugai, Shizuoka, JP;

Akiyoshi Sabu, Shizuoka, JP;

Shingo Sakashita, Shizuoka, JP;

Yukiko Nakajima, Shizuoka, JP;

Keiko Osaka, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

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

An electrostatic image developing toner including a toner particle (C), wherein the toner particle (C) has a structure in which a resin particle (A) containing at least a first resin (a) or a coated film (P) containing the first resin (a) is attached to a surface of a resin-containing particle (B) containing a second resin (b), and wherein the resin (b) includes a polyhydroxycarboxylic acid skeleton, and the resin (a) is a polyester resin containing a polybasic acid and a polyhydric alcohol.


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