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.:

US 9229347 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 05, 2016

Filed:

Dec. 16, 2013
Applicants:

Hiroyuki Kishida, Shizuoka, JP;

Shigenori Yaguchi, Shizuoka, JP;

Hiroshi Tohmatsu, Shizuoka, JP;

Koichi Sakata, Shizuoka, JP;

Hitoshi Iwatsuki, Shizuoka, JP;

Toyoaki Tano, Shizuoka, JP;

Kenichi Mashiko, Shizuoka, JP;

Inventors:

Hiroyuki Kishida, Shizuoka, JP;

Shigenori Yaguchi, Shizuoka, JP;

Hiroshi Tohmatsu, Shizuoka, JP;

Koichi Sakata, Shizuoka, JP;

Hitoshi Iwatsuki, Shizuoka, JP;

Toyoaki Tano, Shizuoka, JP;

Kenichi Mashiko, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/10 (2006.01); G03G 13/08 (2006.01); G03G 9/113 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 13/08 (2013.01); G03G 9/1131 (2013.01); G03G 9/1136 (2013.01); G03G 9/1139 (2013.01); G03G 15/0818 (2013.01);
Abstract

A carrier for use in a two-component developer for developing an electrostatic latent image is provided. The carrier includes a particulate magnetic core; and a cover layer located on a surface of the particulate magnetic core and including a resin and a particulate electroconductive material. The carrier has a BET specific surface area of from 0.8 to 1.6 m/g.


Find Patent Forward Citations

Kishida, Hiroyuki. (2016). Carrier for two-component developer, two-component developer using the carrier, and process cartridge and image forming method and apparatus using the two component developer (U.S. Patent No. 9229347). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9229347

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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