ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,298, issued on March 17, was assigned to MITSUI KINZOKU COMPANY Ltd. (Japan) and KYUSHU UNIVERSITY NATIONAL UNIVERSITY Corp. (Japan).

"Carbon monoxide gas sensor" was invented by Atsuro Sumiyoshi (Ageo, Japan), Shingo Ide (Ageo, Japan), Kengo Shimanoe (Fukuoka, Japan), Ken Watanabe (Fukuoka, Japan) and Koichi Suematsu (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A carbon monoxide gas sensor is a single-chamber sensor for measuring the carbon monoxide gas concentration in a gas phase. The carbon monoxide gas sensor has electrodes disposed on respective sides of a solid electrolyte layer. One of the electrodes is active for oxidatio...