ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,393, issued on Sept. 23, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Gas sensor, gas sensor assembly, and chemical substance identification method" was invented by Chiaki Shido (Kyoto, Japan), Yosuke Hanai (Osaka, Japan) and Atsuo Nakao (Nara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensor includes: a sensing unit; and a first electrode and a second electrode that are a pair of electrodes each electrically connected to the sensing unit. The sensing unit has a conductive material and a polymer having a siloxane bond as a main chain structure. The polymer has a cyano group in a side chain."...