ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,760, issued on Oct. 14, was assigned to OSAKA UNIVERSITY (Osaka, Japan).

"Optical module and multifocal optical device" was invented by Katsumasa Fujita (Osaka, Japan), Kazuki Bando (Osaka, Japan) and Hiroyuki Kawagoe (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical module according to the present embodiment includes: a first lens array unit in which a plurality of first lenses configured to collect irradiating light are arranged; a second lens array unit which includes a plurality of second lenses and on which signal light from the first lenses is incident; and a plurality of beam splitters configured to reflect irradiating l...