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. 06, 2007
Filed:
Sep. 14, 2005
Hiroki Uematsu, Sunto-gun, JP;
Tatsuya Ikezue, Toride, JP;
Akira Shimada, Sunto-gun, JP;
Takahiro Mitsui, Kashiwa, JP;
Koichi Nakata, Toride, JP;
Shuji Ishii, Tokyo, JP;
Shoji Amamiya, Kashiwa, JP;
Akio Maruyama, Tokyo, JP;
Hiroki Uematsu, Sunto-gun, JP;
Tatsuya Ikezue, Toride, JP;
Akira Shimada, Sunto-gun, JP;
Takahiro Mitsui, Kashiwa, JP;
Koichi Nakata, Toride, JP;
Shuji Ishii, Tokyo, JP;
Shoji Amamiya, Kashiwa, JP;
Akio Maruyama, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic photosensitive member is disclosed having a cylindrical support and an organic photosensitive layer provided on the cylindrical support. The peripheral surface of the electrophotographic photosensitive member is composed of grooves formed substantially in its peripheral direction and flat portions, and in the grooves, the number of grooves each having a width in the range of from 0.5 μm to 40 μm is from 20 to 1,000 lines per 1,000 μm in width in the generatrix direction of the peripheral surface of the electrophotographic photosensitive member.