ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,988, issued on Feb. 17, was assigned to NEC Corp. (Tokyo) and NEC Platforms Ltd. (Kanagawa, Japan).

"Feedthrough structure and underwater apparatus" was invented by Hiroaki Shiga (Kanagawa, Japan) and Toshihide Nagasawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The body component and the protector component are inserted into the through hole of the end face plate. The protector component is disposed, in the through hole, at a place closer to the outer surface of the end face plate than the body component is. The body component guides a tail cable into the internal space of the pressure-resistant housing main body. The protector component...