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. 25, 2013

Filed:

Jan. 07, 2011
Applicants:

Jun Yamane, Tokyo, JP;

Yasushi Nakazato, Tokyo, JP;

Kohji Ue, Tokyo, JP;

Masahide Yamashita, Tokyo, JP;

Mikiko Imazeki, Tokyo, JP;

Yasuo Suzuki, Tokyo, JP;

Michio Kimura, Tokyo, JP;

Takaaki Ikegami, Tokyo, JP;

Yoshiaki Kawasaki, Tokyo, JP;

Hideo Nakamori, Tokyo, JP;

Akihiro Sugino, Tokyo, JP;

Inventors:

Jun Yamane, Tokyo, JP;

Yasushi Nakazato, Tokyo, JP;

Kohji Ue, Tokyo, JP;

Masahide Yamashita, Tokyo, JP;

Mikiko Imazeki, Tokyo, JP;

Yasuo Suzuki, Tokyo, JP;

Michio Kimura, Tokyo, JP;

Takaaki Ikegami, Tokyo, JP;

Yoshiaki Kawasaki, Tokyo, JP;

Hideo Nakamori, Tokyo, JP;

Akihiro Sugino, Tokyo, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

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

An image carrier deterioration degree evaluating apparatus for evaluating a degree of deterioration of an image carrier of an image forming apparatus, the image carrier deterioration degree evaluating apparatus including: an image deletion detecting unit that detects image deletion by obtaining latent image information written on the image carrier; an image deletion reducing unit that performs a process of reducing image deletion when the image deletion detecting unit detects image deletion, and an image carrier deterioration degree evaluating unit that drives the image deletion detecting unit and the image deletion reducing unit alternately one or more times each, and evaluates a degree of deterioration of the image carrier by using the latent image information obtained one or more times by the image deletion detecting unit.


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