ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,280, issued on Nov. 3, was assigned to SENSEAIR AB (Delsbo, Sweden) and ASAHI KASEI MICRODEVICES Corp. (Tokyo).
"Gas detecting system" was invented by Bertil Hok (Vasteras, Sweden), Jonas Ljungblad (Vasteras, Sweden), Hiromi Fujita (Tokyo), Tatsushi Yagi (Tokyo) and Floria Ottonello Briano (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "Gas detecting devices and in particular volatile substance sensors such as breath alcohol devices sensors. The semiconductor gas sensor device includes a laser structure and an optical waveguide resonator formed in a same compound semiconductor which includes at least one optical emission layer and one optic...