ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,180, issued on Dec. 23, was assigned to FUJITSU GENERAL Ltd. (Kanagawa, Japan).
"Air conditioner" was invented by Tomoaki Niwa (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an air conditioner including an indoor unit having an indoor heat exchanger, an outdoor unit having an outdoor heat exchanger connected to the indoor heat exchanger through a refrigerant pipe, and an outside casing housing at least the outdoor unit and is attached to a building wall that partitions an outdoor space and an indoor space. The outside casing is fitted in a wall communication hole formed in the building wall and communicating betwee...