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:
Jun. 19, 2007

Filed:

Apr. 30, 2001
Applicants:

Tomio Kondou, Numazu, JP;

Shinichi Kuramoto, Numazu, JP;

Hideki Sugiura, Fuji, JP;

Inventors:

Tomio Kondou, Numazu, JP;

Shinichi Kuramoto, Numazu, JP;

Hideki Sugiura, Fuji, JP;

Assignee:

Ricoh Company, Ltd, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 13/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for forming a full color image including: forming at least yellow, magenta and cyan color toner images on a receiving material to form a full color image thereon; and fixing the full color image upon application of heat thereto while not contacting the full color image, wherein each of the yellow, magenta and cyan color toner images includes a binder resin and a pigment, wherein the yellow color toner includes a benzimidazolone pigment, the magenta color toner includes at least one of Naphthol Carmine F6B and a combination of Naphthol Carmine F6B and Naphthol Carmine FBB, and the cyan color toner includes β copper phthalocyanine, and wherein the yellow color toner image has a position closer to the receiving material than any other color toner image when two or more of the color toner images including the yellow color toner image are overlaid.


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