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. 18, 2014

Filed:

Dec. 14, 2009
Applicant:

Shigeru Yagi, Kanagawa, JP;

Inventor:

Shigeru Yagi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided an electrophotographic photoreceptor comprising, in this order a substrate; a photosensitive layer; and a protective layer including oxygen and gallium, the protective layer including a first region and a second region that is present closer to the substrate than the first region and has a ratio of the number of atoms of oxygen to the number of atoms of gallium (oxygen/gallium) larger than that in the first region.


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