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.

Date of Patent:
Mar. 17, 2026

Filed:

Apr. 14, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yasuo Kojima, Chiba, JP;

Motoya Yamada, Chiba, JP;

Masayuki Shinozuka, Chiba, JP;

Koji Takahashi, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 5/10 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/102 (2013.01); G03G 21/1814 (2013.01);
Abstract

The electrophotographic photosensitive member includes: a support; and a photosensitive layer, wherein a surface of the support is formed of Al and/or an Al alloy, wherein the surface of the support includes Al crystal grains having: (α) a plane at −15° or more and less than +15° with respect to a {001} orientation; (β) a plane at −15° or more and less than +15° with respect to a {101} orientation; and (γ) a plane at −15° or more and less than +15° with respect to a {111} orientation, and wherein a ratio of an area occupied by Al crystal grains each having the (γ) to a total area of the surface of the support is more than 10% and 50% or less, and a ratio of an area occupied by Al crystal grains each having the (α) or the (β) to the remaining area is 80% or more.


Find Patent Forward Citations

Kojima, Yasuo. (2026). Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (U.S. Patent No. 12578663). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12578663

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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