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:
Mar. 29, 2011

Filed:

Sep. 20, 2007
Applicants:

Yuki Nagamori, Kanagawa, JP;

Mikio Yamaguchi, Kanagawa, JP;

Yasutomo Ishii, Kanagawa, JP;

Mitsuo Yamamoto, Kanagawa, JP;

Inventors:

Yuki Nagamori, Kanagawa, JP;

Mikio Yamaguchi, Kanagawa, JP;

Yasutomo Ishii, Kanagawa, JP;

Mitsuo Yamamoto, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A charge roll includes a roll member that contacts an image carrier and rotates, the roll member including a conductive material that charges the surface of the image carrier, and the roll member having particles on the outer circumferential surface of the roll member to have a surface roughness within a predetermined range.


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