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:
Nov. 04, 2025
Filed:
Oct. 03, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Nobuhiro Nakamura, Shizuoka, JP;
Shuntaro Watanabe, Kanagawa, JP;
Kohei Makisumi, Shizuoka, JP;
Hiroyuki Watanabe, Shizuoka, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/14795 (2013.01); G03G 5/14704 (2013.01); G03G 5/1476 (2013.01); G03G 21/1814 (2013.01);
Abstract
There is provided an electrophotographic photosensitive member comprising: a support, a photosensitive layer, and a surface layer in this order, wherein an outer surface of the electrophotographic photosensitive member exhibits a wrinkled shape by having a concavo-convex shape, the surface layer comprises a binder resin and an inorganic particle, and at least a part of the inorganic particle exposes at a concave portion of the concavo-convex shape.