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:
Apr. 14, 2015
Filed:
Mar. 13, 2013
Yuuji Ishikura, Kanagawa, JP;
Katsuhiro Aoki, Kanagawa, JP;
Masaaki Yamada, Tokyo, JP;
Masayuki Yamane, Kanagawa, JP;
Atsushi Kurokawa, Kanagawa, JP;
Yuuki Satoh, Kanagawa, JP;
Yuuji Ishikura, Kanagawa, JP;
Katsuhiro Aoki, Kanagawa, JP;
Masaaki Yamada, Tokyo, JP;
Masayuki Yamane, Kanagawa, JP;
Atsushi Kurokawa, Kanagawa, JP;
Yuuki Satoh, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A development device includes a developer bearer to carry developer thereon and receive a development bias and a developer regulator to adjust an amount of developer carried on the developer bearer. Multiple recesses recessed from a reference surface area are formed in a surface of the developer bearer, the developer bearer includes a conductive base in which the recesses are formed, and the conductive base in the reference surface area is coated with an insulative surface layer.