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. 22, 2014

Filed:

Feb. 27, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Taichi Takemura, Abiko, JP;

Toshinori Nakayama, Kashiwa, JP;

Masayuki Tamaki, Toride, JP;

Jiro Ishizuka, Moriya, JP;

Kazuhisa Kemmochi, Suntou-gun, JP;

Hikaru Osada, Kamakura, JP;

Keisuke Abe, Yokohama, JP;

Tsutomu Miki, Komae, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

When an unfixed toner image is formed on a recording material, a maximum toner amount per unit area satisfies A<(ρΠL)/30√3, where a specific gravity of a toner is ρ (g/cm), a weight-average particle size is L (μm), and the toner amount per unit area of the unfixed toner image on the recording material is A (mg/cm), in formation of the unfixed toner image with each color toner, and the unfixed toner image is fixed so that a region where colors of chromatic toners of respective colors in the above-described images are seen in an overlaid state is 84% or more.


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