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:
Nov. 27, 2018
Filed:
May. 04, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Atsushi Nakamoto, Tokyo, JP;
Makoto Fukatsu, Suntou-gun, JP;
Manami Haraguchi, Yokohama, JP;
Masayoshi Kato, Tokyo, JP;
Kei Inoue, Yokohama, JP;
Kazuyuki Sato, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09733 (2013.01); G03G 9/0821 (2013.01); G03G 9/0827 (2013.01); G03G 15/08 (2013.01);
Abstract
A toner according to the present disclosure maintains high transfer efficiency for the long term and obtains images which are not affected by toner base particles easily, which exhibit excellent charge stability, and which exhibit less fogging, wherein the toner is obtained by making inorganic fine particles and charge control particles, which satisfy specific conditions, present on the surfaces of toner base particles so as to satisfy a specific coverage relationship.