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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.:

US 12645161 B1

PDFFull Text
Date of Patent:
Jun. 02, 2026

Filed:

Sep. 12, 2022

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Keisuke Kusano, Kanagawa, JP;

Wataru Yamada, Kanagawa, JP;

Masahiro Iwasaki, Kanagawa, JP;

Yuki Oyamada, Kanagawa, JP;

Assignee:

FUJIFILM Business Innovation Corp., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Mark F Huff

Assistant Examiner:

Boone Alexander Evans

Int. Cl.
CPC ...
G03G 5/14 (2006.01); G03G 5/047 (2006.01); G03G 5/06 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/142 (2013.01); G03G 5/047 (2013.01); G03G 5/0648 (2013.01); G03G 5/0651 (2013.01); G03G 5/0668 (2013.01); G03G 5/0696 (2013.01); G03G 21/1814 (2013.01);
Abstract

An electrophotographic photoreceptor includes a conductive support, an undercoat layer on the conductive support, and a charge generation layer on the undercoat layer, in which the charge generation layer contains a phthalocyanine compound, the undercoat layer contains an electron transport compound, and a difference between an energy level of the lowest unoccupied molecular orbital of the phthalocyanine compound and an energy level of the lowest unoccupied molecular orbital of the electron transport compound is less than 0.45 eV.

Find Patent Forward Citations

Kusano, Keisuke. (2026). Electrophotographic photoreceptor, process cartridge, and image forming apparatus (U.S. Patent No. 12645161). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12645161

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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