ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,073, issued on Sept. 9, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).
"Gas detection apparatus" was invented by Takaaki Furuya (Tokyo) and Keiichiro Kuwata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas detection apparatus includes a light emitting part; a light receiving part; and a light guiding part for guiding light from the light emitting part to the light receiving part. When a region inside the ellipsoid Ei and not including the ellipsoid Esi is defined as a region Ri, the ellipsoid Ei including a light source region of the light emitting part is defined as an ellipsoid Es, the ellipsoid Ei including a light receiving ...