ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,330, issued on Nov. 3, was assigned to PANASONIC HOUSING SOLUTIONS Co. LTD. (Osaka, Japan).

"Air quality determination system, air quality determination method, and sensor module" was invented by Toshiki Niinomi (Osaka, Japan), Atsuo Nakao (Nara, Japan), Yosuke Hanai (Osaka, Japan) and Takahiro Nogami (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air quality determination method including a temperature control step, an acquisition step, a determination step, and an output step. The temperature control step includes controlling a temperature of a sensitive unit exposed to a sample gas to cause the temperature of the sensitive unit to...