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:
May. 08, 2012
Filed:
Jul. 14, 2009
Masaru Kobashi, Matsumoto, JP;
Yoichi Yamada, Shiojiri, JP;
Masahiro Maeda, Matsumoto, JP;
Takatomo Fukumoto, Shiojiri, JP;
Masaru Kobashi, Matsumoto, JP;
Yoichi Yamada, Shiojiri, JP;
Masahiro Maeda, Matsumoto, JP;
Takatomo Fukumoto, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided is an image forming apparatus including: a rotatable image carrier; a protective agent supplying unit supplying a protective agent to the image carrier; a first charging unit charging the image carrier to the same polarity as a regular charging polarity of a toner; a second charging unit charging the protective agent supplied to the image carrier to the opposite polarity to the regular charging polarity of the toner; an exposure unit forming an electrostatic latent image on the image carrier; a development unit developing the electrostatic latent image of the image carrier; and a transfer unit transferring the image of the image carrier, wherein the second charging unit is disposed between the protective agent supplying unit and the development unit.