ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,242, issued on Dec. 16, was assigned to TORATANI Co. LTD. (Ishikawa, Japan).
"Mat" was invented by Ikuo Toratani (Ishikawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a mattress that enables promoting breathing in a supine position. The mattress includes: a pair of ilium support portions arranged below respective parts conforming to at least widthwise outer portions of iliac crests of a pair of ilia of a pelvis for individually supporting parts conforming to the pair of ilia from below; and a sacrum adaptation portion arranged between the pair of ilium support portions and located below a sacrum between the pair of ilia of the ...