ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,162, issued on Sept. 2, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Spectroscopic unit and spectroscopic module" was invented by Kei Tabata (Hamamatsu, Japan) and Yumi Kuramoto (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectroscopic unit includes a housing having a wall part formed with an opening, a first aperture part formed with a first aperture, and a second aperture part formed with a second aperture, in which a length of the second aperture in the facing direction is larger than a length of the first aperture in the facing direction, an outer edge of the first aperture is positioned inside each of an ...