Electrophotographic photoreceptor, process cartridge, and image forming apparatus

US8993206B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8993206-B2
Application numberUS-201313856139-A
CountryUS
Kind codeB2
Filing dateApr 3, 2013
Priority dateJun 22, 2012
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

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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 ρ 1 represents a volume resistivity (Ω·cm) of the first layer, ρ 2 represents a volume resistivity (Ω·cm) of the second layer, and ρ 3 represents a volume resistivity (Ω·cm) of the third layer.

First claim

Opening claim text (preview).

What is claimed is: 1. An electrophotographic photoreceptor comprising: 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):…

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What does patent US8993206B2 cover?
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 sat…
Who is the assignee on this patent?
Fuji Xerox Co Ltd
What technology area does this patent fall under?
Primary CPC classification G03G5/14704. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).