ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,630, issued on April 21, was assigned to HITACHI LTD. (Tokyo).

"Power converter device" was invented by Yuuichi Mabuchi (Tokyo), Akihiko Kanouda (Tokyo) and Kimihisa Furukawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a power converter device that can be properly configured. The power converter device is provided with: a plurality of power conversion units each comprising a pair of AC terminals, a pair of DC terminals, and a power conversion circuit for performing power conversion in one direction or in both directions between the AC terminals and the DC terminals and arranged along a first direction and a second direction di...