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:
Aug. 25, 2020
Filed:
Aug. 16, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Kunihiko Sekido, Suntou-gun, JP;
Takashi Anezaki, Hiratsuka, JP;
Taichi Sato, Numazu, JP;
Masashi Nishi, Susono, JP;
Atsushi Fujii, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is an electrophotographic photosensitive member that can achieve both of the suppression of a fluctuation in potential of the photosensitive member at the time of its repeated use, and the prevention of the occurrence of a black spot-like image defect at high levels. The electrophotographic photosensitive member includes in this order: a support; an intermediate layer; and a photosensitive layer, the intermediate layer containing particles each containing titanium oxide, and the particles having a mass increase ratio of 0.005% or more when heated under a nitrogen atmosphere from 300° C. to 900° C.