ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,078, issued on Nov. 18, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Air conditioner" was invented by Nobuo Hayashi (Osaka, Japan), Takurou Ogawa (Osaka, Japan) and Takayuki Miyajima (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner includes an indoor unit, outdoor unit, indoor unit power line, and outdoor unit power line. The power lines branch from a common power line. Each of the indoor and outdoor units includes a converter circuit, an inverter circuit, and a capacitor. A total of effective values of integer-order components from second to 40th orders in a total current, which is obtained by adding up an ...