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.

Date of Patent:
Mar. 25, 2014

Filed:

May. 27, 2011
Applicants:

Natsuko Minegishi, Hachioji, JP;

Naoki Tajima, Sagamihara, JP;

Seiko Itagaki, Hachioji, JP;

Hiroyuki Saito, Tokyo, JP;

Inventors:

Natsuko Minegishi, Hachioji, JP;

Naoki Tajima, Sagamihara, JP;

Seiko Itagaki, Hachioji, JP;

Hiroyuki Saito, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

A developing device, includes a developer agitating member, an upstream side developing roller, and a downstream side developing roller; wherein a toner in a developer handed over from the upstream side developing roller to the downstream side developing roller has a volume average particle size larger than a volume average particle size of the toner in the developer conveyed by the upstream side developing roller to the facing position between the upstream side developing roller and a photoreceptor drum.


Find Patent Forward Citations

Minegishi, Natsuko. (2014). Developing device with bias voltage and image forming apparatus (U.S. Patent No. 8682229). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8682229

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

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