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:
Jan. 21, 2020

Filed:

Jan. 29, 2019
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventors:

Yuko Iwashita, Osaka, JP;

Kazunari Hamasaki, Osaka, JP;

Kazutaka Sugimoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); G03G 5/06 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0564 (2013.01); G03G 5/0609 (2013.01); G03G 5/0614 (2013.01); G03G 5/0618 (2013.01); G03G 5/0638 (2013.01); G03G 5/0651 (2013.01); G03G 5/0672 (2013.01); G03G 5/0675 (2013.01); G03G 5/0696 (2013.01);
Abstract

An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer of a single layer. The photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. An optical response time is at least 0.05 milliseconds and no greater than 0.85 milliseconds. The binder resin includes a polycarbonate resin including a repeating unit represented by general formula (1) shown below and a repeating unit represented by general formula (2) shown below.


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