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:
Apr. 02, 2013

Filed:

Apr. 12, 2010
Applicants:

Takeshi Kawai, Kanagawa, JP;

Yasuaki Miyazawa, Tokyo, JP;

Masato Ono, Kanagawa, JP;

Inventors:

Takeshi Kawai, Kanagawa, JP;

Yasuaki Miyazawa, Tokyo, JP;

Masato Ono, Kanagawa, JP;

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

A charging unit is provided, the charging unit including: a charging member; and a charging member clean-up member having an elastic layer, the elastic layer containing a silicon oil, wherein a silicone concentration in analyzing the charging member by an x-ray photoelectron spectroscopy satisfies following condition: about 1 atm %≦(difference between the maximum value and the minimum value of the silicone concentration in Si2p detected by the x-ray photoelectron spectroscopy above the charging member)≦about 3 atm %.


Find Patent Forward Citations

Kawai, Takeshi. (2013). Charging unit, manufacturing method for charging unit, process cartridge and image forming device (U.S. Patent No. 8412069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8412069

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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