Patent · US Active

Process cartridge and electrophotographic apparatus

US10663913B2 · kind B2 · utility

18Cited by

63References

14Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Tatsuya Yamaai · Yokohama, JP
Kazunori Noguchi · Soma, JP
Shuhei Iwasaki · Yokohama, JP
Akira Sakakibara · Susono, JP
Daisuke Miura · Yokohama, JP
Harunobu Ogaki · Soma, JP
Takumi Furukawa · Susono, JP
Yuya Tomomizu · Ichikawa, JP

Key dates

Filing date	Nov 21, 2018
Grant date	May 26, 2020
Priority date	—
Expiry date	Nov 21, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG03G5/0525
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Provided is a process cartridge having a charging member and an electrophotographic photosensitive member to be charged by being in contact with the charging member, wherein the electrophotographic photosensitive member has a support and a photosensitive layer in this order, and a surface layer of the electrophotographic photosensitive member has a Martens hardness of 230 N/mm2 or less.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.