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:
Nov. 16, 2010
Filed:
May. 21, 2007
Natsumi Katoh, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Tomoyuki Ichikawa, Kanagawa, JP;
Nobuo Iwata, Kanagawa, JP;
Natsumi Katoh, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Tomoyuki Ichikawa, Kanagawa, JP;
Nobuo Iwata, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A developing device includes a developing unit, a developer agitating unit, a developer conveying unit, and a toner supplementing unit. The developing unit develops an electrostatic latent image on an image carrier with a developer containing toner and carrier. The developer agitating unit agitates the developer. The developer conveying unit connects the developing unit and the developer agitating unit, and conveys the developer from the developing unit to the developer agitating unit. The toner supplementing unit is connected to the developer conveying unit, and supplements toner to the developer conveyed from the developing unit to the developer agitating unit.