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:
Sep. 02, 2025
Filed:
Feb. 16, 2024
Fujifilm Business Innovation Corp., Tokyo, JP;
Arichika Tanaka, Kanagawa, JP;
Yutaka Kiuchi, Kanagawa, JP;
FUJIFILM Business Innovation Corp., Tokyo, JP;
Abstract
A developing device includes a developer holder that supplies developer to an image carrier on which an electrostatic latent image is formed. The developing device further includes a removing member that removes the developer that has not been supplied to the image carrier and remains on the developer holder and a transport unit that includes a helical rotating body, the transport unit rotating the rotating body to transport the developer and supply the developer to the developer holder. The developing device further includes an accommodating unit that accommodates the developer holder, the removing member, and the transport unit; and a drive mechanism that operates the developer holder and the transport unit together in a first operation mode for image formation and operates the developer holder and the transport unit individually in a second operation mode for cleaning an inside of the accommodating unit by removing the developer.