ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,128, issued on Nov. 4, was assigned to Yokogawa Electric Corp. (Tokyo) and Yokogawa Test & Measurement Corp. (Tokyo).
"Current sensor" was invented by Hiroki Minami (Hachioji, Japan) and Hiroyuki Ishida (Hachioji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A current sensor includes a magnetic core that can be arranged to surround a conducting wire through which a current to be measured flows, magnetic sensors each configured to detect magnetic flux in a predetermined portion of the magnetic core, amplifiers arranged in correspondence with the magnetic sensors, feedback coils arranged in correspondence with the magnetic sensors, and a curren...