ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,691, issued on Nov. 4, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Power conversion device" was invented by Ryoko Sasahara (Tokyo) and Manabu Yoshimura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This power conversion device includes a plurality of power conversion units, a first electric field relaxation shield, a second electric field relaxation shield, and a third electric field relaxation shield. The first, the second and the third electric field relaxation shield include a first end, a second end and a third end, respectively. The first electric field relaxation shield and the second electric field relaxation shield surround th...