ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,438, issued on March 11, was assigned to RIKEN (Wako, Japan).

"Beam target and beam target system" was invented by Hiroki Okuno (Wako, Japan), Naoya Furutachi (Wako, Japan) and Yoshiharu Mori (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A beam target for generating a nuclear reaction product by irradiation with a beam obtained from a beam generation source includes a cone body which has a tapered inner surface which is reduced in diameter toward a tip, and supply means for supplying liquid metal to the inner surface of the cone body to form a liquid film of the liquid metal on the inner surface. It is possible to form the liquid film...