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:
Jul. 23, 2013
Filed:
Nov. 16, 2010
Kumiko Seo, Kanagawa, JP;
Toshiyuki Kabata, Kanagawa, JP;
Hiroshi Nakai, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
An image forming apparatus including multiple photoreceptors; multiple chargers that charge the respective photoreceptors; a latent image forming device that forms respective latent images on the respective charged photoreceptors; multiple developing devices that develop the respective latent images into respective toner images; multiple transfer devices that transfer the respective toner images onto an intermediate transfer member; multiple cleaning devices that remove residues remaining on the respective photoreceptors after transferring the respective toner images therefrom; and one or more BN-containing protective agent applicators that apply a BN-containing protective agent comprising a metal soap and boron nitride to the respective photoreceptors. The total number of the photoreceptors is N being an integer of 2 or more, and the total number of the BN-containing protective agent applicators is between 1 and N−1.