ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,882, issued on Feb. 4, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Air conditioner system" was invented by Youko Sakata (Osaka, Japan), Shouta Hori (Osaka, Japan) and Satoshi Hashimoto (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner system (1) runs in a concentration keeping mode to sequentially repeat a first operation of lowering a target temperature to a first target temperature lower than a predetermined reference temperature and a second operation of raising the target temperature to a second target temperature higher than the reference temperature. The target temperature is gradually raised from the f...