ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,571, issued on June 3, was assigned to TERUMO K.K. (Tokyo).

"Medical device packaging container and packaged medical device" was invented by Yohei Tono (Chuo, Japan) and Satoru Matsunaga (Kofu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device packaging container includes a tray, a sheet-like lid portion having an annular flange portion, and an annular heat seal portion. The annular heat seal portion includes a first-side seal portion, a second-side seal portion, a third-side seal portion, and a fourth-side seal portion. The first-side seal portion includes a central seal portion, a first side-part seal portion, and a second side-...