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:
May. 12, 2015
Filed:
Sep. 25, 2013
Applicant:
Kyocera Document Solutions Inc., Osaka-shi, JP;
Inventors:
Masami Tujihiro, Osaka, JP;
Yoshio Ozawa, Osaka, JP;
Assignee:
KYOCERA Document Solutions Inc., Osaka-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/113 (2006.01); G03G 9/107 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1135 (2013.01); G03G 9/107 (2013.01); G03G 9/1075 (2013.01); G03G 9/1132 (2013.01); G03G 9/1137 (2013.01);
Abstract
A carrier for electrostatic latent image developing is composed of carrier core containing a binder resin and magnetic material particles, and a shell layer that covers the carrier core. The binder has an acid value of at least a predetermined value, and contains a resin having a carboxyl group. The shell layer is composed of a resin selected from melamine resin and urea resin.