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:
Mar. 31, 2009
Filed:
Nov. 21, 2005
Applicants:
Chigusa Yamane, Hachioji, JP;
Keiichi Inagaki, Hino, JP;
Kunihiro Ogura, Hino, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/047 (2006.01); G03G 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrophotographic photoreceptor including a charge generating layer and a charge transfer layer accumulated on a support member, the charge transfer layer including at least two layers of a support side layer and a surface side layer, wherein the support side layer contains A mol/cmof charge mol/cmof charge transfer material having a dipolar moment of not more than 0.75 and inorganic particles having a number average primary particle diameter of 3-150 nm, wherein A and B satisfies relations of (1) and (2),9.0×10  (1)8.0×10  (2).