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:
Aug. 16, 2016
Filed:
Apr. 22, 2015
Kyocera Document Solutions Inc., Osaka, JP;
Masaki Kadota, Osaka, JP;
Ai Takagami, Osaka, JP;
KYOCERA DOCUMENT SOLUTIONS INC., Osaka, JP;
Abstract
The image forming apparatus, which includes a plurality of photosensitive drums, charging devices that contact and charge respective photosensitive drums, developing devices that attach toner including a metal particle, which is a polishing particle, and develop latent images, and cleaning devices that remove remaining toner from surfaces of the photosensitive drums and allows toner images of each color formed on the photosensitive drums to be sequentially superposed on an intermediate transfer belt to form a color image, has a primary transfer bias control unit that switches polarity of primary transfer bias, except for a time of image formation on the photosensitive drums, to polarity equal to or opposite to electrostatic charge of toner in response to an average printing rate of each color of a predetermined number of immediately previous papers.