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. 28, 2014
Filed:
Jul. 24, 2012
Koichi Sakata, Shizuoka, JP;
Shigenori Yaguchi, Shizuoka, JP;
Kimitoshi Yamaguchi, Shizuoka, JP;
Toyoshi Sawada, Kanagawa, JP;
Hiroshi Tohmatsu, Shizuoka, JP;
Hiroyuki Kishida, Shizuoka, JP;
Koichi Sakata, Shizuoka, JP;
Shigenori Yaguchi, Shizuoka, JP;
Kimitoshi Yamaguchi, Shizuoka, JP;
Toyoshi Sawada, Kanagawa, JP;
Hiroshi Tohmatsu, Shizuoka, JP;
Hiroyuki Kishida, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A carrier for developing electrostatic latent image, including a core material; and a coated layer covering the core material, including a binder resin and a particulate material, wherein the core material is exposed on the surface of the carrier at an areal ratio of from 0.1 to 5.0% and has the largest exposed part having an areal ratio not greater than 0.03%, and wherein the coated layer comprises the particulate material in an amount of from 100 to 500 parts by weight per 100 parts by weight of the binder resin.