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. 22, 2016
Filed:
Jul. 08, 2015
Masayoshi Nakayama, Kanagawa, JP;
Takuma Higa, Kanagawa, JP;
Hiroyuki Kunil, Kanagawa, JP;
Masaki Sukesako, Kanagawa, JP;
Kazuaki Kamihara, Tokyo, JP;
Masakazu Terao, Ishikawa, JP;
Yuichi Aizawa, Kanagawa, JP;
Masahiro Katoh, Kanagawa, JP;
Kohei Matsumoto, Tokyo, JP;
Toshihiro Sugiyama, Tokyo, JP;
Masayoshi Nakayama, Kanagawa, JP;
Takuma Higa, Kanagawa, JP;
Hiroyuki Kunil, Kanagawa, JP;
Masaki Sukesako, Kanagawa, JP;
Kazuaki Kamihara, Tokyo, JP;
Masakazu Terao, Ishikawa, JP;
Yuichi Aizawa, Kanagawa, JP;
Masahiro Katoh, Kanagawa, JP;
Kohei Matsumoto, Tokyo, JP;
Toshihiro Sugiyama, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image forming apparatus includes a first electric charging unit having an electric discharge wire to uniformly electrify a surface of the electrostatic latent image bearer, a second electric charging unit having a second electric discharge wire to execute a pre-electric charge removal electric charging process by electrifying the surface of the electrostatic latent image bearer subsequent to a transfer process to transfer a toner image, and a first electric charge removing device to diselectrify the surface of the electrostatic latent image bearer by irradiating it with electric charge removing light subsequent to the pre-electric charge removal electric charging process. The first electric charge removing device is disposed within an electric discharge region of the second electric discharge wire on a downstream side of an extreme upstream edge of the electric discharge region of the second electric discharge wire in a rotational direction of the electrostatic latent image bearer.