ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,694, issued on March 24, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"Multicore cable" was invented by Wei Fu (Tochigi, Japan), Hirotaka Kato (Tochigi, Japan) and Takumi Ooshima (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multicore cable includes a core in which multiple electrical wires are twisted together, a release layer covering the core, and a jacket covering the release layer. A lay length for the multiple electrical wires is greater than or equal to 21 times and less than or equal to 28 times a long dimension of the core, and the release layer is fixed to the jacket."
The patent was filed on Jan. ...