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 8802343 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 12, 2014

Filed:

Mar. 04, 2011
Applicants:

Yosuke Tsurumi, Kanagawa, JP;

Norihito Fukushima, Kanagawa, JP;

Yasuaki Hashimoto, Kanagawa, JP;

Shintaro Anno, Kanagawa, JP;

Inventors:

Yosuke Tsurumi, Kanagawa, JP;

Norihito Fukushima, Kanagawa, JP;

Yasuaki Hashimoto, Kanagawa, JP;

Shintaro Anno, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A carrier for developing an electrostatic charge image comprising a core material and a coating resin layer that covers the core material, wherein the core material is a ferrite particle having a Brunauer-Emmitt-Teller (BET) specific surface area of from about 0.12 m/g to about 0.20 m/g, and having a fluidity of from about 26 sec/50 g to about 30 sec/50 g.


Find Patent Forward Citations

Tsurumi, Yosuke. (2014). Carrier for developing electrostatic charge image, developer for developing electrostatic charge image, developer cartridge for developing electrostatic charge image, process cartridge, image forming apparatus, and image forming method (U.S. Patent No. 8802343). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8802343

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