ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,686, issued on May 5, was assigned to FUJIFILM Corp. (Tokyo).

"Metalens" was invented by Hideki Yasuda (Kanagawa, Japan) and Yukito Saitoh (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A metalens capable of concentrating terahertz waves having a high light concentration efficiency. The metalens includes a first region that has a plurality of microstructures disposed therein to concentrate terahertz waves; and a second region that is a region that surrounds the first region and that is a region different from the first region, in which in a case where terahertz waves having a wavelength of 0.3 mm, a wavelength of 1 mm, and a wavelengt...