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:
Jun. 28, 2011
Filed:
Dec. 10, 2007
Kenji Nakamura, Ibaraki, JP;
Yuichiro Suzuki, Ibaraki, JP;
Katsumi Kumada, Ibaraki, JP;
Shoji Takeya, Ibaraki, JP;
Chikara Hiraoka, Ibaraki, JP;
Kenji Nakamura, Ibaraki, JP;
Yuichiro Suzuki, Ibaraki, JP;
Katsumi Kumada, Ibaraki, JP;
Shoji Takeya, Ibaraki, JP;
Chikara Hiraoka, Ibaraki, JP;
Ricoh Company, Ltd., Ohta-Ku, Tokyo, JP;
Abstract
According to an aspect of the present invention, there is provided a developing device including: a roller that develops an electric latent image formed on an image holding body; a chamber that stores a toner; a case that houses the roller and the chamber; a concave portion that is inwardly concaved from the case and that includes: a sidewall, a bottom, and a filling port formed in the bottom; and a first lid that closes the filling port.