ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,171, issued on Sept. 23, was assigned to ENSKY Co. LTD. (Saitama, Japan).
"Dice rolling device" was invented by Katsufumi Aoki (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dice rolling device (1) includes a housing (12) formed in a bottomed tubular shape that opens upward, and a plurality of pins {first and second pins (22, 24)} provided in the bottom portion of the housing (12). Further, the dice rolling device (1) includes a flat plate portion (8) with a plurality of through holes (9) through which the pins are inserted, and includes a dice stage (4) accommodated in the housing (12) movably in the vertical direction. The dice ...