ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,887, issued on June 17, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Mobility and method for controlling operation thereof" was invented by Se Kwon Jung (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobility includes a storage vessel, a power train configured to generate power using liquid hydrogen stored in the storage vessel, and a control device configured to downwardly adjust a target operating pressure of the storage vessel at a time of entering a refueling preparation mode, compare a supply pressure of the liquid hydrogen supplied to the power train with a target hydrogen su...