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:
Oct. 08, 2013
Filed:
Mar. 09, 2012
Applicants:
Tomohito Taniguchi, Suntou-gun, JP;
Satoshi Koide, Susono, JP;
Inventors:
Tomohito Taniguchi, Suntou-gun, JP;
Satoshi Koide, Susono, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 13/00 (2006.01); G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A charging member, a process cartridge and an electrophotographic apparatus are provided which have been so made as for any C-set images to be kept from occurring; the C-set images occurring in a charging member of an electrophotographic apparatus where the charging member and an electrophotographic photosensitive member have been left to stand in contact with each other over a long period of time. In a charging member having a conductive support and a surface layer, the surface layer is incorporated with a specific compound.