ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,760, issued on Oct. 21, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Image forming apparatus having a process unit with a lock mechanism" was invented by Tatsuro Arata (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process unit includes a unit frame detachable from a main body frame, a plurality of development cartridges mounted so as to be mutually independently attachable and detachable with respect to the unit frame, and a lock mechanism. The lock mechanism has a lock member that restrains movement of the unit frame by being held at a first position at which the lock member is engageable with the main body fram...