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.
Patent No.:
Date of Patent:
Apr. 19, 2016
Filed:
May. 20, 2014
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Kotaro Fukushima, Osaka, JP;
Kimiko Kumazawa, Osaka, JP;
Koichi Toriyama, Osaka, JP;
Takahiro Kurauchi, Osaka, JP;
Tomoko Kanazawa, Osaka, JP;
Chikako Iibachi, Osaka, JP;
Rikiya Matsuo, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 5/07 (2006.01); G03G 5/05 (2006.01);
U.S. Cl.
CPC ...
G03G 5/071 (2013.01); G03G 5/0503 (2013.01); G03G 5/0539 (2013.01); G03G 5/0592 (2013.01); G03G 5/0596 (2013.01); G03G 5/14708 (2013.01); G03G 5/14726 (2013.01); G03G 5/14791 (2013.01);
Abstract
An electrophotographic photoreceptor having a photosensitive layer formed on a conductive substrate, wherein the photosensitive layer contains oxygen-containing fluorinated fine particles in a surface layer thereof, and the oxygen-containing fluorinated fine particles have an oxygen composition ratio of 0.9 to 3.0% by atom based on the whole composition of the fine particles according to an X-ray fluorescence composition analysis.