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. 05, 2005
Filed:
Apr. 16, 2003
Ken Nakagawa, Mishima, JP;
Koichi Otaka, Shizuoka-ken, JP;
Ken Nakagawa, Mishima, JP;
Koichi Otaka, Shizuoka-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus including a movable image bearing member, a charging member disposed opposed to the image bearing member, a transfer member for transferring a toner image from the image bearing member onto a recording material, and potential control means far changing a potential gradient on the image bearing member at a position corresponding to an end of the recording material in a direction opposite from a charge polarity of the toner with respect to a direction opposite from a movement direction of the image bearing member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile