Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 23, 2009
Patent Application Number
11770109
Date Filed
June 28, 2007
Patent Primary Examiner
Patent abstract
An electrophotographic photosensitive member has, on the surface of its photosensitive layer, has a plurality of depressed portions which are independent from one another, and, where the major-axis diameter of each depressed portion is represented by Rpc and the depth that shows the distance between the deepest part of each depressed portion and the opening thereof is represented by Rdv, the depressed portions each have a ratio of depth to major-axis diameter, Rdv/Rpc, of from more than 1.0 to 7.0 or less.
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