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:
Aug. 20, 2013

Filed:

Mar. 11, 2011
Applicants:

Junichi Matsumoto, Kanagawa, JP;

Tomoya Ohmura, Kanagawa, JP;

Natsumi Matsue, Kanagawa, JP;

Yasuo Takuma, Kanagawa, JP;

Hiroshi Kikuchi, Kanagawa, JP;

Inventors:

Junichi Matsumoto, Kanagawa, JP;

Tomoya Ohmura, Kanagawa, JP;

Natsumi Matsue, Kanagawa, JP;

Yasuo Takuma, Kanagawa, JP;

Hiroshi Kikuchi, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A developing device includes a developer supply part and a developer collecting part, wherein the developer supply part has a developer inlet port for introducing a developer supplied from a reservoir into the developer supply part and a developer extraction port provided on the side of the developer inlet port to remove a portion of the developer so as to define a quantity of the developer to be introduced in the developer supply part, and wherein the developer extraction port and the developer collecting part are connected to the reservoir.


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