ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,795, issued on July 29, was assigned to NALUX Co. LTD. (Osaka, Japan).
"Light guiding apparatus and method of producing the same" was invented by Tetsuya Zenko (Osaka, Japan), Norifumi Kanai (Osaka, Japan) and Shogo Kawano (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light guiding apparatus comprising: a light guiding substrate; a light receiving unit including first and second units provided on a surface of the substrate, the first and second units transmitting received rays along first and second paths in the substrate as first and second light beams, respectively; a first direction changing unit for the first light beam; a secon...