ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,813, issued on April 22, was assigned to Hitachi Ltd. (Tokyo).
"Train operation support system and train operation support method" was invented by Ryota Uematsu (Tokyo), Tsuyoshi Minakawa (Tokyo) and Yuki Maekawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A train operation support system for outputting a rescheduled timetable for a planned timetable of a train from a computer by using the planned timetable and an actual timetable of the train includes a timetable modification unit that modifies the planned timetable by using a given timetable modification method, a passenger flow prediction unit that calculates passenger staying informatio...