ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,323, issued on April 7, was assigned to Brother Kogyo K.K. (Nagoya, Japan).

"Image forming apparatus having guides for installation and removal of a removal unit" was invented by Shota Iriyama (Toyokawa, Japan), Yasuhiro Suzuki (Nagoya, Japan), Daisuke Ishizuka (Nagoya, Japan), Misato Osuka (Nagoya, Japan) and Shuhei Fukue (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a main frame and a unit installable in an installation position in the main frame. The main frame has a first guide, a second guide, a groove, and a frame-side connector. The frame-side connector is movably held by the main frame. The...