ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,880, issued on Oct. 21, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"On-state voltage measurement circuit" was invented by Ryosuke Maeda (Osaka, Japan), Yusuke Kinoshita (Kyoto, Japan) and Satoshi Nakazawa (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An on-state voltage measurement circuit includes a detecting switch element, a control unit, a resistive element, and a voltage detection unit. The control unit includes a signal output terminal and a reference potential terminal and controls the detecting switch element. The resistive element is connected between a source terminal of the detecting...