ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,818, issued on March 18, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Hiroki Sasaki (Shizuoka, Japan) and Yoshiteru Kaida (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a stacking portion including a lifting portion, a feeding member feeding a sheet stacked on the lifting portion to a conveyance passage, a position detector detecting movement of the sheet stacked on to a feedable position to the conveyance passage, a driver including a motor and performing the lifting operation of the lifting portion, a rotation detector detecting rotation of the motor, and a cont...