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:
Aug. 11, 2015
Filed:
Apr. 23, 2012
Applicants:
Maho Hori, Tokyo, JP;
Kimihiro Yoshimura, Yokohama, JP;
Yohei Miyauchi, Tokyo, JP;
Kazuhisa Shirayama, Kawasaki, JP;
Inventors:
Maho Hori, Tokyo, JP;
Kimihiro Yoshimura, Yokohama, JP;
Yohei Miyauchi, Tokyo, JP;
Kazuhisa Shirayama, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/04 (2006.01); G03G 15/00 (2006.01); G03G 5/08 (2006.01); G03G 5/05 (2006.01); G03G 5/06 (2006.01); G03G 5/147 (2006.01);
U.S. Cl.
CPC ...
G03G 5/08 (2013.01); G03G 5/0507 (2013.01); G03G 5/0542 (2013.01); G03G 5/0564 (2013.01); G03G 5/0696 (2013.01); G03G 5/14704 (2013.01); G03G 5/14756 (2013.01);
Abstract
The present invention relates to an electrophotographic photosensitive member including a support and a photosensitive layer formed on the support. The electrophotographic photosensitive member has a surface layer containing a polyarylate resin and acicular inorganic fillers. The acicular inorganic fillers are basic and have a number-average aspect ratio of 5 to 50 and a Mohs hardness of 2 to 6.