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:
Dec. 01, 2020
Filed:
Aug. 22, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Ryuichiro Matsuo, Moriya, JP;
Nobuyoshi Sugahara, Tokyo, JP;
Hironori Minagawa, Moriya, JP;
Wakashi Iida, Toride, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/107 (2006.01); G03G 15/09 (2006.01); G03G 9/113 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1075 (2013.01); G03G 9/1133 (2013.01); G03G 15/09 (2013.01);
Abstract
A magnetic carrier includes a magnetic carrier particle including a magnetic carrier core particle having an amino group on a surface thereof and a resin covering layer disposed on the surface of the magnetic carrier core particle, in which the resin covering layer contains a vinyl-based copolymer and a trialkoxyalkylsilane.