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:
Aug. 07, 2018
Filed:
Jul. 30, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Koji Takahashi, Kashiwa, JP;
Hideki Ogawa, Moriya, JP;
Yasuhiro Kawai, Abiko, JP;
Naoaki Ichihashi, Abiko, JP;
Wataru Kitamura, Abiko, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
In the electrophotographic photosensitive member of the present invention, a plurality of convex portions having a longest diameter Lin the generatrix direction of the electrophotographic photosensitive member of 30 μm or more arid a height Hof 1 μm or more are formed on the surface of the electrophotographic photosensitive member, a plurality of convex portions corresponding to the convex portions formed on the surface of the surface layer are formed at the interface between the surface layer and a layer immediately below the surface layer, and the rate of fitting of the convex portions formed on the surface of the surface layer to the convex portions formed at the interface between the surface layer and the layer immediately below the surface layer is 20% or more and 200% or less.