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:
Jul. 25, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 5/047 (2006.01); G03G 5/14 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 5/144 (2013.01); G03G 21/1814 (2013.01);
Abstract
Provided is an electrophotographic photosensitive member including a support, an undercoat layer, a charge-generating layer, and a charge-transporting layer in the stated order, wherein with regard to an S, an S, an S, an S, and an Sdetermined by a specific procedure (A), a ratio S/Sis 0.34 or less, and one of the S, the S, or the Sis a positive value, and the other two thereof are negative values, or two thereof are positive values, and the other one thereof is a negative value.