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:
Feb. 27, 2007
Filed:
Nov. 22, 2002
Hiroaki Miho, Tokyo, JP;
Satoshi Nishida, Tokyo, JP;
Shigetaka Kurosu, Tokyo, JP;
Masashi Saito, Tokyo, JP;
Hiroshi Morimoto, Tokyo, JP;
Hiroaki Miho, Tokyo, JP;
Satoshi Nishida, Tokyo, JP;
Shigetaka Kurosu, Tokyo, JP;
Masashi Saito, Tokyo, JP;
Hiroshi Morimoto, Tokyo, JP;
Konica Corporation, Tokyo, JP;
Abstract
An image forming apparatus having: an image forming body for forming a latent image and a toner image; a developing device for developing with a toner the latent image formed on the image forming body to form the toner image; a primary transfer device for transferring the toner image on the image forming body onto an intermediate transfer body; and a secondary transfer device for transferring the toner image on the intermediate transfer body onto an image support. The primary transfer device has conductive body or semi-conductive body, and is provided with a power supply unit for applying a bias voltage. It is characterized in that the variation coefficient of the shape factor of the toner is 16% or less, and the number variation coefficient of the number particle size distribution of the toner is 27% or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile