ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,144, issued on May 20, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Multi-core cable" was invented by Takumi Ooshima (Tochigi, Japan) and Jo Yagisawa (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-core cable includes two power wires, and a twisted pair signal wire having two twisted signal wires. The power wires and the twisted pair signal wire are twisted together to form a core, and the power wires include a first conductor, and a first insulating layer covering the first conductor. The signal wires include a second conductor, and a second insulating layer covering the second conductor, and a Young's m...