ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,099, issued on Sept. 29, was assigned to Daifuku Co. Ltd. (Osaka, Japan).

"Transport vehicle" was invented by Tomotaka Kinugawa (Hinocho, Japan) and Kiyohide Ichino (Tainan-city, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transport vehicle includes a first sensor that detects a relative distance in a vertical direction between a holder and at least one handle contactlessly. A controller determines, based on a detection result from the first sensor, whether the relative distance is at a first set value as a reference for the holder to hold or release the at least one handle and whether the relative distance is at a second set value corr...