ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,814, issued on June 17, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Power converter" was invented by Kenji Fujiwara (Tokyo) and Yusuke Shirouchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a sub inverter of a full-bridge constituted by two arms: an arm and an arm, each of which is mounted on a different module, a main controller to drive and control the sub inverter by switching an operation mode between a first mode in which a first arm performs a low-frequency switching operation and a second arm performs a high-frequency switching operation, and a second mode in which the second arm performs a low-frequency switchin...