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:
Jul. 15, 2014

Filed:

Jan. 09, 2013
Applicant:

Kohji Matsuda, Kanagawa, JP;

Inventor:

Kohji Matsuda, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus includes an imaging unit configured to form pattern images in areas corresponding to positions at which toners including a specific color toner of a specific color are provided; a reading unit configured to read the formed pattern images; a color information detection unit configured to analyze color information of the read pattern images and detect the color information of the specific color toner; a position determination unit configured to determine the position at which the specific color toner is provided from a position at which the pattern image of the specific color is formed in the read pattern images; and a recording unit configured to record the detected color information of the specific color toner and the position at which the specific color toner is provided.


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