US Patent Issued to Osaka Gas on April 22 for "Radiative cooling device" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,863, issued on April 22, was assigned to Osaka Gas Co. Ltd. (Osaka, Japan).

"Radiative cooling device" was invented by Masahiro Suemitsu (Osaka, Japan) and Tadashi Saito (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radiative cooling device in which an infrared radiative layer for radiating infrared light from a radiative surface and a light reflective layer disposed on a side opposite the radiative surface of the infrared radiative layer are provided in a mutually stacked state. The light reflective layer includes a first layer made of silver or silver alloy, a second layer made of aluminum or aluminum alloy and an anti-alloying tra...