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:
Feb. 04, 2020

Filed:

Nov. 01, 2017
Applicant:

Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;

Inventors:

Shinjiro Suzuki, Matsumoto, JP;

Tomoki Hasegawa, Hachioji, JP;

Hirotaka Kobayashi, Matsumoto, JP;

Assignee:

FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); G03G 5/047 (2006.01); G03G 5/06 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0564 (2013.01); G03G 5/047 (2013.01); G03G 5/0525 (2013.01); G03G 5/0614 (2013.01); G03G 5/0696 (2013.01);
Abstract

A method of producing an electrophotographic photoreceptor composed of a photosensitive layer provided on a conductive substrate, includes, in the formation of an outermost layer, controlling slope k of a straight line obtained by plotting the average film density of outermost layer and boiling point of solvent used for the formation of the outermost layer along the ordinate and the abscissa, respectively, to be 1.50E-4 (g/cm·° C.) or greater, and adjusting the difference in film density of the outermost layer between the surface side and the side close to the conductive substrate to be 0.030 g/cmor less. The electrophotographic photoreceptor has reduced image defects even after long-term use and has excellent wear performance.


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