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:
Jan. 09, 2018
Filed:
May. 08, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Kentaro Yamawaki, Mishima, JP;
Shiro Kuroki, Suntou-gun, JP;
Toshihiko Katakura, Kashiwa, JP;
Akane Masumoto, Yokohama, JP;
Tsuneyoshi Tominaga, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is a toner including toner particles each including a core portion that contains a binder resin, and a surface layer containing an organosilicon polymer, in which each of the toner particles contains a polyvalent metal element having a resistivity of 2.5×10Ω·m or more and 10.0×10Ω·m or less at 20° C., and when the toner particles are subjected to X-ray fluorescence analysis, a net intensity originating from the polyvalent metal element is 0.10 kcps or more and 30.00 kcps or less.