ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,290, issued on Sept. 15, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Sheet post-processing apparatus and image forming system" was invented by Tadahisa Kishimoto (Osaka, Japan) and Satoru Yonemoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet post-processing apparatus includes a post-processing main unit and an expansion unit. The expansion unit, into which a sheet having passed through the post-processing main unit is introduced, is removably mounted on the post-processing main unit. The post-processing main unit includes a switching guide that switches the conveyance direction of the sheet between a fir...