ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,155, issued on July 1, was assigned to TMEIC Corp. (Chuo-ku, Japan).
"Power conversion device" was invented by Chikara Morito (Tokyo) and Shunsuke Tobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a first relay unit, one or more second relay units, and a safety control unit. The first relay unit includes a first logic processing unit that transmits a response signal supplied from a first power conversion unit and a response signal of a downstream side of its first relay unit to an upstream side. Each of the one or more second relay units includes a second logic processing unit that transmits a response...