ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,404, issued on Nov. 3, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Reconnection control apparatus and power system" was invented by Rutvikanandan Manohar (Tokyo), Sadayuki Inoue (Tokyo), Koki Matsumoto (Tokyo), Yasuhiro Kojima (Tokyo), Keishi Matsuda (Tokyo), Masanobu Koshio (Tokyo), Ken Kurose (Tokyo) and Yu Kawai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reconnection control apparatus controls a switch disposed between at least one DER system having droop characteristics and a power grid. The reconnection control apparatus comprising a first detecting unit to detect first phase, frequency and amplitude of a voltage on a side o...