ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,180, issued on Dec. 16, was assigned to SHINKO ELECTRIC INDUSTRIES Co. LTD. (Nagano, Japan).

"Heat pipe" was invented by Yoshihiro Machida (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The heat pipe includes an injection port into which a working fluid is injected. The injection port has a first outer metal layer, a second outer metal layer, at least one inner metal layer provided between the first outer metal layer and the second outer metal layer, and an injection passage in which the injected working fluid moves, the injection passage demarcated by the first outer metal layer, the second outer metal layer, and the inner metal laye...