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. 19, 2004

Filed:

Sep. 16, 2002
Applicant:
Inventors:

Yasuko Yamauchi, Hachioji, JP;

Ken Ohmura, Hachioji, JP;

Masafumi Uchida, Hachioji, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/093 ;
U.S. Cl.
CPC ...
G03G 9/093 ;
Abstract

An electrostatic image developing toner is disclosed. The resin of the toner particle has a cell structure and an average value of FERE-horizontal diameters of the cells is from 20 to 200 nm and a variation coefficient of the FERE-horizontal diameters of the cells is from 10 to 35%.


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