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:
Apr. 04, 2023
Filed:
Mar. 08, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Fumiyuki Hiyama, Shizuoka, JP;
Shuhei Iwasaki, Kanagawa, JP;
Hiroyuki Watanabe, Shizuoka, JP;
Nobuhiro Nakamura, Shizuoka, JP;
Tomohito Ishida, Shizuoka, JP;
Shuntaro Watanabe, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge including: an electrophotographic photosensitive member having a drum shape; a developing unit for developing an electrostatic latent image on the surface of the electrophotographic photosensitive member with toner; and a cleaning blade for removing the toner on the surface of the electrophotographic photosensitive member, the cleaning blade being in contact with the electrophotographic photosensitive member, wherein the electrophotographic photosensitive member comprises wrinkles on the surface of the electrophotographic photosensitive member, and wherein the toner has a fluidity torque E of 320 mJ or more.