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. 28, 2026
Filed:
Aug. 07, 2023
Fujifilm Business Innovation Corp., Tokyo, JP;
Masahiro Katahira, Kanagawa, JP;
FUJIFILM Business Innovation Corp., Tokyo, JP;
Abstract
An image forming apparatus includes: an image former forming a toner image; a transferer transferring the toner image on an image carrier to a recording medium by using a transfer electric field; and a processor to: calculate a voltage division ratio γ=Vp/Vm that is a ratio of a recording-medium divided voltage Vp when the recording medium passes in the transferer to a member divided voltage Vm applied to a member before the recording medium passes in the transferer; and change an amount of toner in a band-shaped toner image to be formed on a region of the image carrier that does not face the recording medium or a supply frequency of the band-shaped toner image in accordance with the voltage division ratio γ or the voltage division ratio γ and a length of the recording medium in a transport direction of the recording medium.