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:
Dec. 01, 2015
Filed:
Feb. 06, 2013
Osamu Endou, Kanagawa, JP;
Yasuyuki Ishii, Tokyo, JP;
Yoshiko Ogawa, Tokyo, JP;
Yuuji Ishikura, Kanagawa, JP;
Hideyasu Seki, Kanagawa, JP;
Toshio Koike, Tokyo, JP;
Akihiro Kawakami, Tokyo, JP;
Osamu Endou, Kanagawa, JP;
Yasuyuki Ishii, Tokyo, JP;
Yoshiko Ogawa, Tokyo, JP;
Yuuji Ishikura, Kanagawa, JP;
Hideyasu Seki, Kanagawa, JP;
Toshio Koike, Tokyo, JP;
Akihiro Kawakami, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A developing device including: a toner bearing member configured to bear a toner on a surface of the toner bearing member and configured such that the surface thereof is rotated to supply the toner to and develop a latent electrostatic image on a surface of a latent electrostatic image bearing member in a developing region which faces the latent electrostatic image bearing member; and a regulating member configured to regulate an amount of the toner to be moved towards the developing region, wherein the surface of the toner bearing member has regularly arranged convex portions, and wherein a non-electrostatic adhesive force between the toner and the surface of the toner bearing member is less than 9.0 nN.