ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,484, issued on Nov. 4, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Image forming apparatus permitting user to imagine clear detachment procedure of toner cartridge from process cartridge" was invented by Daisuke Maeta (Nagoya, Japan) and Shougo Sato (Seto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a housing and a first process cartridge. The first process cartridge is attachable to and detachable from the housing. The first process cartridge includes a first photosensitive drum, a first developing roller, and a developing frame. The developing frame has a toner inlet opening. A toner cartridge h...