ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,600, issued on Nov. 3, was assigned to Hitachi Ltd. (Tokyo).

"Elevator and control method for the same" was invented by Taichi Saito (Tokyo), Tomoaki Maehara (Tokyo), Takahiro Hatori (Tokyo), Yuki Saito (Tokyo) and Masaki Miyamae (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator includes a plurality of elevator units each including a car and a unit control section that controls operation of the car; and an operation management device that manages operation of the plurality of elevator units, in which, in a case where it is determined that any of the elevator units has left any of passengers behind, the operation management device addi...