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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.:

US 12422760 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Jul. 21, 2022

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kaname Watariguchi, Kanagawa, JP;

Kohei Makisumi, Shizuoka, JP;

Kenichi Kaku, Shizuoka, JP;

Haruyuki Tsuji, Kanagawa, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

VENABLE LLP

Primary Examiner:

Mark F Huff

Assistant Examiner:

Boone Alexander Evans

Int. Cl.
CPC ...
G03G 5/047 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 21/1814 (2013.01);
Abstract

Provided is an electrophotographic photosensitive member that includes a support, a charge generation layer on the support, and a charge transfer layer on the charge generation layer and that satisfies specifications on an EV curve based on a measurement method of NESA-EV curve. The electrophotographic photosensitive member can exhibit high character quality and a digital gradation characteristic in a low-line-number halftone while maintaining an analog gradation characteristic in a high-speed process.

Find Patent Forward Citations

Watariguchi, Kaname. (2025). Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (U.S. Patent No. 12422760). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12422760

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

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