ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,228, issued on July 8, was assigned to OTA Hiroshi (Kanagawa, Japan).
"Transportation device" was invented by Hiroshi Ota (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a transportation device for loading a cargo and moving in a moving direction, comprising: a bed for loading a cargo thereon; four leg parts for being able to receive a part of a weight of the bed individually; a movable part for moving the leg parts individually to change relative positions with respect to the bed individually; and a control part for controlling the movable part for the four leg parts individually, wherein the control part is for changing ...