ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,184, issued on Sept. 23, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Refrigerator" was invented by Kiyoshi Mori (Shiga, Japan), Kei Nambu (Kyoto, Japan) and Tsuyoki Hirai (Shiga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a refrigerator that includes a storage chamber capable of storing a preserved product, power supply unit (48), oscillation circuit (22), oscillation electrode (24) and counter electrode (25), matching unit (52) that matches impedance, controller (50), and a shield. Power supply unit (48) includes a first power supply part that rectifies an alternating current from a co...