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. 20, 2018
Filed:
Oct. 26, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Kaname Watariguchi, Yokohama, JP;
Shoma Hinata, Mishima, JP;
Kazuko Sakuma, Suntou-gun, JP;
Tsutomu Nishida, Mishima, JP;
Jumpei Kuno, Yokohama, JP;
Hirofumi Kumoi, Suntou-gun, JP;
Masato Tanaka, Tagata-gun, JP;
Masataka Kawahara, Mishima, JP;
Yuto Ito, Koganei, JP;
Isao Kawata, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/06 (2006.01); C09B 47/04 (2006.01); C09B 67/50 (2006.01); C09B 47/067 (2006.01); C09B 67/00 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0696 (2013.01); C09B 47/04 (2013.01); C09B 47/045 (2013.01); C09B 47/067 (2013.01); C09B 67/0023 (2013.01); C09B 67/0026 (2013.01);
Abstract
An electrophotographic photosensitive member includes a substrate and a photosensitive layer containing a phthalocyanine pigment. The crystalline particles of the phthalocyanine pigment have a crystallite correlation length r and a particle size R of 400 nm or less, and a parameter k defined by r/R is in the range of 0.17 to 0.42.