US Patent Issued to Asahi Kasei Microdevices on Feb. 4 for "In-vehicle abnormality detection device and in-vehicle abnormality detection method" (Swedish, Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,216,104, issued on Feb. 4, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).

"In-vehicle abnormality detection device and in-vehicle abnormality detection method" was invented by Henrik Rodjegard (Delsbo, Sweden) and Yuji Goda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A change rate of in-vehicle carbon dioxide concentration at an optional time point when the vehicle is in a parked state is estimated on the basis of detection signals of a CO2 concentration sensor at two different time points when in the parked state; and on the basis of a detection signal of the CO2 concentration sensor at the optional time point, a preset time constant ...