ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,257, issued on June 30, was assigned to FUJITSU GENERAL Ltd. (Kanagawa, Japan).

"Air conditioner" was invented by Yu Hirosaki (Kanagawa, Japan) and Shohei Nakata (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner includes an outdoor machine that includes a compressor and an outdoor heat exchanger, an indoor machine that includes an indoor heat exchanger and that heats inside of a room using heat supplied from the outdoor machine, an indoor temperature sensor that detects temperature inside the room, a heat accumulation circuit that includes a heat accumulating unit and that accumulates heat, which is generated in the ...