ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,487, issued on March 18, was assigned to MAZDA MOTOR Corp. (Hiroshima, Japan).

"Forced discharge control system for smoothing capacitor provided to inverter" was invented by Yuta Otsuka (Hiroshima, Japan), Haruki Yamane (Hiroshima, Japan), Takashi Yoshizaki (Hiroshima, Japan), Shosuke Morimoto (Hiroshima, Japan), Sho Kawanari (Hiroshima, Japan), Hiroaki Kashihara (Hiroshima, Japan) and Yusuke Kame (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A smoothing capacitor is forcibly discharged, in a state where a battery is disconnected from a high-voltage circuit, first discharge control is initiated to consume electric charges of the ...