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. 20, 2018

Filed:

Mar. 08, 2016
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Yasuko Uchino, Hino, JP;

Junya Onishi, Hachioji, JP;

Natsuko Fujisaki, Hino, JP;

Anju Hori, Hachioji, JP;

Junya Ueda, Hino, JP;

Takaki Kawamura, Hino, JP;

Ikuko Sakurada, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/10 (2006.01); G03G 13/01 (2006.01); G03G 9/08 (2006.01); G03G 9/113 (2006.01); G03G 15/09 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 9/10 (2013.01); G03G 9/0823 (2013.01); G03G 9/1133 (2013.01); G03G 9/1139 (2013.01); G03G 13/013 (2013.01); G03G 15/09 (2013.01); G03G 15/6585 (2013.01); G03G 2215/0135 (2013.01); G03G 2215/0607 (2013.01); G03G 2215/0609 (2013.01);
Abstract

An image forming method forms a color toner image and a white toner image using an image forming apparatus having a plurality of developing machines. The color toner image is formed using a color developer containing a first carrier and at least one color toner selected from a yellow toner, a magenta toner, and a cyan toner. The white toner image is formed using a white developer containing a second carrier and a white toner containing at least titanium oxide as a pigment. Formula (1):Iw<Ic  (1)is satisfied. Ic (μA) is a dynamic current value of the first carrier at 100 V and Iw (μA) is a dynamic current value of the second carrier at 100 V.


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