ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,828, issued on May 19, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Power converter apparatus and main circuit power feeder device" was invented by Yusuke Higaki (Tokyo), Takushi Jimichi (Tokyo), Takuya Kajiyama (Tokyo) and Akito Nakayama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A main circuit power feeder device for supplying control power from a main circuit power storage element to a main circuit control device includes: a plurality of voltage-division power storage elements connected in series; a voltage adjustment circuitry which is connected to the voltage-division power storage elements and adjusts voltages of the voltage-d...