ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,441, issued on Sept. 16, was assigned to PHC Holdings Corp. (Tokyo).
"Cold storage" was invented by Mitsuyuki Shirata (Ehime, Japan) and Naoki Yanagihara (Gunma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cold storage includes a box including a cold storage chamber, a sliding door that opens and closes the cold storage chamber, and a machine chamber; a compressor disposed in the machine chamber and constituting a refrigeration circuit that cools the inside of the cold storage chamber; a fan that generates an airflow passing around the compressor and blown to the sliding door through an air outlet opened to the machine chamber; a heater ...