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, 2026
Filed:
Nov. 15, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Akira Sakakibara, Shizuoka, JP;
Yuka Ishiduka, Shizuoka, JP;
Daisuke Miura, Tokyo, JP;
Tsutomu Nishida, Shizuoka, JP;
Fumiyuki Hiyama, Shizuoka, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 5/05 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0578 (2013.01); G03G 5/0564 (2013.01); G03G 15/75 (2013.01);
Abstract
An electrophotographic photosensitive member includes a surface layer. The surface layer comprises a polycarbonate resin (α) and a polycarbonate resin (β). The polycarbonate resin (α) has a structural unit represented by a following formula (A) described herein and a structural unit represented by a following formula (B) described herein. The polycarbonate resin (β) has a structure having a dimethylsiloxane moiety.