ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,857, issued on Nov. 3, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Image forming apparatus" was invented by Tamotsu Shimizu (Osaka, Japan) and Masaki Kadota (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control portion can perform an image formation mode to perform image formation while controlling, based on the relationship between a charging current and the surface potential on an image carrying member, a charging voltage and thereby adjusting the surface potential and a correction mode to correct the relationship between the charging current and the surface potential. In the correction mode, the control portio...