ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,290, issued on May 6, was assigned to DENSO Corp. (Kariya, Japan).
"Controller for power converter" was invented by Ryoya Kazaoka (Kariya, Japan), Yusuke Shindo (Kariya, Japan), Shunichi Kubo (Kariya, Japan) and Ken Toshiyuki (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter has a capacitor and a power conversion unit having a series-connected unit composed of an upper arm side switching element and a lower arm side switching element. The capacitor is connected in parallel with the serios connection unit. The power conversion unit supplies electric power to a motor. A controller for the power conversion unit has a frequ...