ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,162, issued on Feb. 10, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Spacer for double-layer glass and double-layer glass" was invented by Satoshi Kiyota (Higashiomi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spacer is interposed between a pair of glass substrates facing each other. The spacer is disposed in contact with the pair of glass substrates. The spacer includes a center portion having a plate shape or a columnar shape, and both end portions protruding from both end surfaces of the center portion. At least one of the both end portions has a spherical cap shape, or a spherical zone shape or a truncated conical shape. A radius A...