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:
Mar. 31, 2015
Filed:
Apr. 03, 2013
Fuji Xerox Co., Ltd., Tokyo, JP;
Takeshi Iwanaga, Kanagawa, JP;
Masaki Hirakata, Kanagawa, JP;
Hideya Katsuhara, Kanagawa, JP;
Tomoya Sasaki, Kanagawa, JP;
Nobuyuki Torigoe, Kanagawa, JP;
Takashi Imai, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An electrophotographic photoreceptor includes a conductive substrate, an organic photosensitive layer that is provided on the conductive substrate, and an inorganic protective layer that is provided on the organic photosensitive layer, wherein the inorganic protective layer includes a first layer, a second layer, and a third layer in this order from the organic photosensitive layer side and satisfies the relationship of the following expression (1):ρ3≦ρ1<ρ2  Expression (1):wherein ρrepresents a volume resistivity (Ω·cm) of the first layer, ρrepresents a volume resistivity (Ω·cm) of the second layer, and ρrepresents a volume resistivity (Ω·cm) of the third layer.