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:
Mar. 18, 2008
Filed:
Jun. 20, 2005
Junichi Matsumoto, Yokohama, JP;
Nobuo Iwata, Sagamihara, JP;
Satoshi Muramatsu, Tokyo, JP;
Nobutaka Takeuchi, Yokohama, JP;
Takayuki Koike, Yokohama, JP;
Eriko Maruyama, Sagamihara, JP;
Junichi Matsumoto, Yokohama, JP;
Nobuo Iwata, Sagamihara, JP;
Satoshi Muramatsu, Tokyo, JP;
Nobutaka Takeuchi, Yokohama, JP;
Takayuki Koike, Yokohama, JP;
Eriko Maruyama, Sagamihara, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A developer container includes a developer container configured to contain a developer including a toner and a carrier, a developer delivering mechanism configured to deliver the developer toward an image bearing member of an image forming apparatus, and a detecting mechanism configured to detect deterioration of the developer based on a predetermined characteristic of the developer.