ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,553, issued on March 3, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan) and Danmarks Tekniske Universitet (Kongens, Denmark).

"Photoelectric conversion device, electromagnetic wave detection device, photoelectric conversion method and electromagnetic wave detection method" was invented by Naoya Kawai (Hamamatsu, Japan), Hideaki Yoshiara (Hamamatsu, Japan), Simon Lehnskov Lange (Copenhagen NV, Denmark) and Peter Uhd Jepsen (Copenhagen S, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a photoelectric conversion device, the meta-surface includes a first antenna portion, a first bias portion, a second antenna portion, and a second...