ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,880, issued on April 1, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Heat exchanger, outdoor unit including heat exchanger, and air-conditioning apparatus including outdoor unit" was invented by Yoji Onaka (Tokyo), Takashi Matsumoto (Tokyo), Rihito Adachi (Tokyo), Tetsuji Saikusa (Tokyo), Yuki Nakao (Tokyo) and Hiroyuki Morimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger includes: a heat exchange body having flat tubes arranged and spaced from each other in a horizontal direction; an upper header provided at an upper end of the heat exchange body; a lower header provided at a lower end of the heat exchange body; an...