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:
Feb. 18, 2014
Filed:
Jul. 18, 2011
Applicant:
Koichi Matsuzaki, Tokyo, JP;
Inventor:
Koichi Matsuzaki, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developer container includes: an outer case; an ejection opening that is rectangular and formed on the outer case and extends longitudinally along an axial direction of the outer case, and from which a developer is ejected by a weight of the developer. A toner ejection index that is calculated from S/μdM is equal to or more than 0.79, where μ is a degree of agglomeration of the developer, d is a compact density, M is a fill amount of the developer and S is the area of the ejection opening.