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:
Jun. 23, 2020
Filed:
Feb. 27, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tsutomu Nishida, Mishima, JP;
Atsushi Okuda, Yokohama, JP;
Yuka Ishiduka, Suntou-gun, JP;
Nobuhiro Nakamura, Numazu, JP;
Hiroyuki Watanabe, Suntou-gun, JP;
Hideharu Shimozawa, Numazu, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 5/05 (2006.01); G03G 5/07 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0546 (2013.01); G03G 5/0575 (2013.01); G03G 5/0589 (2013.01); G03G 5/0592 (2013.01); G03G 5/0596 (2013.01); G03G 5/071 (2013.01); G03G 5/14734 (2013.01); G03G 5/14791 (2013.01); G03G 5/14795 (2013.01);
Abstract
The present invention provides an electrophotographic photosensitive member sequentially including: a support; a photosensitive layer; and a protection layer formed on the support, wherein the protection layer has a triarylamine structure and a specific cyclic structure, and a specific A-value obtained by measurement using total reflection Fourier transform infrared spectroscopy is 0.010 or more and 0.050 or less.