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:
Jul. 14, 2026
Filed:
Sep. 08, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Shuhei Iwasaki, Kanagawa, JP;
Kunihiko Sekido, Shizuoka, JP;
Tatsuya Ohsawa, Shizuoka, JP;
Naoyuki Matsumoto, Fukui, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An object of the present disclosure is to provide an electrophotographic photosensitive member which can suppress the potential fluctuation due to repeated use even with the electrophotographic apparatus of high printing process speed. The present disclosure provides an electrophotographic photosensitive member comprising: a support, a charge generating layer, and a charge transporting layer in this order, wherein the charge transporting layer comprises: (α) a compound represented by the formula (C-1), and (β) at least one selected from the group consisting of a compound represented by the following formula (C-2) and a compound represented by the formula (C-3), wherein a content of the (β) in the charge transporting layer with respect to a total mass of the charge transporting layer is 250 to 610 mass ppm.