ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,701, issued on June 16, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Frequency stabilizer for energy storage system" was invented by Kazuyori Tahata (Tokyo), Frederick Page (Tokyo), Yoshiyuki Kono (Tokyo) and Masatoshi Takeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frequency stabilizer includes a bidirectional AC/DC converter, a bidirectional DC/DC converter, a first energy storage system, a second energy storage system, and a building. The bidirectional AC/DC converter is connected between an AC power system and the first energy storage system. The bidirectional DC/DC converter is connected between the first energy storage sy...