ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,657, issued on Aug. 25, was assigned to Fujikura Ltd. (Tokyo).

"Heat pipe" was invented by Mohammad Shahed Ahamed (Tokyo), Harutoshi Hagino (Tokyo), Akihiro Takamiya (Tokyo), Yoji Kawahara (Tokyo) and Tsuyoshi Ogawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat pipe includes a flat container having an internal space in which a working fluid is sealed and a flat surface facing the internal space, and a wick disposed in the internal space. The wick includes a first wick having a plurality of first voids and a second wick having a plurality of second voids. The first wick rises from the flat surface and is fixed to the flat surface. The ...