ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,255, issued on May 27, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Conveyance system" was invented by Tatsuya Kawase (Tokyo) and Yuji Igarashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conveyance system includes: a plurality of conveyance path units constituting a conveyance path on which a conveyance body moves, each of the conveyance path units including a plurality of drive units that each generate a thrust for moving the conveyance body by a current flowing therethrough; and a controller including a current command generator that generates a current command for controlling a current flowing through the plurality of drive un...