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:
Sep. 29, 2026
Filed:
Jul. 31, 2023
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Ryosuke Fujii, Ebina, JP;
Tomoya Sasaki, Ebina, JP;
Hiroko Kobayashi, Ebina, JP;
Yuto Okazaki, Ebina, JP;
Kosuke Narita, Ebina, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); C08G 63/54 (2006.01); C08G 64/06 (2006.01);
U.S. Cl.
CPC ...
G03G 5/056 (2013.01); C08G 63/54 (2013.01); C08G 64/06 (2013.01); G03G 5/0564 (2013.01);
Abstract
An electrophotographic photoreceptor contains a conductive substrate, and a lamination type photosensitive layer disposed on the conductive substrate and including a charge generation layer and a charge transport layer, in which the charge transport layer contains a charge transport material, at least one of a polyester resin or a polycarbonate resin that has a constitutional unit containing biphenyl represented by Formula (1), and an aromatic dicarboxylic acid represented by Formula (2),