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:
Sep. 17, 2013
Filed:
Nov. 01, 2011
Masaaki Harada, Yokohama, JP;
Toshiro Suzuki, Gotemba, JP;
Hiroaki Watanabe, Odawara, JP;
Taichi Sato, Numazu, JP;
Keiji Nose, Suntou-gun, JP;
Masaaki Harada, Yokohama, JP;
Toshiro Suzuki, Gotemba, JP;
Hiroaki Watanabe, Odawara, JP;
Taichi Sato, Numazu, JP;
Keiji Nose, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a charging member that can not easily cause faulty cleaning. A charging member having a conductive support and an elastic layer that is a surface layer; the elastic layer having on its surface a region having been cured by irradiation with electron rays, where the region having been cured supports at least one type of spherical particles of spherical silica particles, spherical alumina particles and spherical zirconia particles in such a state that the spherical particles are exposed at least in part to the surface of the elastic layer so as to make the surface roughened.