ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,559, issued on Aug. 4, was assigned to Rising Entertainment Co. Ltd. (Tokyo).
"Gas injection device and balloon" was invented by Juntak Jeon (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas injection apparatus 100 comprises a nozzle for being inserted into the balloon valve and injecting gas into the balloon body, a valve mechanism for opening and closing a gas flow path to the nozzle, a drive mechanism for moving the nozzle forward and backward, a balloon case placing section 120 having a flat bottom surface and capable of fixing an open end of the balloon valve in a direction opposite to the forward movement direction of the nozzle by ma...