ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,687, issued on May 13, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus with control of transfer voltage" was invented by Hiroki Eguchi (Kanagawa, Japan) and Yusaku Iwasawa (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller of an image forming apparatus controls a transfer voltage applying portion so that a voltage is not applied to a transfer member or a voltage of an opposite polarity to a normal charge polarity of toner is applied to the transfer member, in a first period including at least a period, after rotation of a photosensitive member and a developing member, from first arrival of a first region at a t...