ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,808, issued on Sept. 22, was assigned to NITTO KOGYO Corp. (Nagakute, Japan).

"Plug-type electric discharge detection unit and electric discharge detection system" was invented by Atsushi Miyamoto (Nagakute, Japan), Hiroyuki Ito (Nagakute, Japan), Tomonori Kakehi (Nagakute, Japan), Yusuke Aita (Nagakute, Japan) and Koichiro Kato (Nagakute, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plug-in discharge detection unit includes two plugs of a cathode and an anode configured to allow insertion into respective two plug insertion holes of a plug socket. A discharge detection section configured to allow detection of a noise of discharge superimp...