ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,858, issued on July 28, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Refrigeration cycle device" was invented by Akira Hiwata (Shiga, Japan) and Yoshiaki Doyama (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The refrigerator cycle device includes a control device controlling a compressor including a sealed container constituting a fluidic pathway for a working medium containing ethylene-based fluoroolefin as a refrigerant component, and a compression mechanism and an electric motor inside the sealed container. The control device includes a drive circuit and a control circuit. The drive circuit in...