ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,286, issued on March 17, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).

"Particle beam treatment apparatus" was invented by Toshiki Kuroki (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A particle beam treatment apparatus includes an irradiator that has an irradiation nozzle which irradiates an irradiation target with a particle beam and that is capable of moving rotationally in a vicinity of the irradiation target, a moving floor that extends on an annular trajectory surrounding the irradiation target along a rotation circumferential direction of the irradiator and that is movable on the annular trajectory depending on a pos...