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. 10, 2021
Filed:
Feb. 11, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Jumpei Kuno, Yokohama, JP;
Akira Sakakibara, Susono, JP;
Yota Ito, Mishima, JP;
Shuhei Iwasaki, Yokohama, JP;
Kohei Makisumi, Suntou-gun, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/00 (2006.01); G03G 5/047 (2006.01); G03G 5/05 (2006.01); G03G 5/06 (2006.01); G03G 5/14 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 5/0525 (2013.01); G03G 5/0571 (2013.01); G03G 5/0578 (2013.01); G03G 5/0696 (2013.01); G03G 5/144 (2013.01);
Abstract
An electrophotographic photoreceptor includes a support, an undercoat layer placed on the support, a charge generation layer placed on the undercoat layer, and a charge transport layer placed on the charge generation layer. The undercoat layer contains titanium oxide particles surface-treated with an organosilicon compound that is at least one member selected from the group consisting of compounds represented by formulas (1) to (8) and a polyamide resin. The charge generation layer contains hydroxygallium phthalocyanine.