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:
Jan. 10, 2017
Filed:
Jun. 01, 2015
Konica Minolta, Inc., Tokyo, JP;
Mari Konishi, Mitaka, JP;
Toshiyuki Fujita, Hachioji, JP;
Daisuke Kodama, Hino, JP;
Takeshi Nakamura, Hachioji, JP;
Toyoko Shibata, Zama, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
The electrophotographic photoreceptor of the present invention at least includes a charge-generating layer, a charge-transporting layer, and a surface protective layer sequentially deposited on an electroconductive support, wherein the charge-transporting layer contains a charge-transporting material having an ionization potential (IP); the surface protective layer contains a binder resin and a metal oxide microparticle having an ionization potential (IP); and the ionization potential (IP) and the ionization potential (IP) satisfy the relationship represented by Expression (A): −0.4 eV≦(IP−IP)≦0.4 eV.