ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,157, issued on May 20, was assigned to PANASONIC HOLDINGS Corp. (Osaka, Japan).
"Method for analyzing gas and device for analyzing gas" was invented by Yosuke Hanai (Osaka, Japan), Atsuo Nakao (Nara, Japan), Takeshi Yanagida (Fukuoka, Japan) and Kazuki Nagashima (Fukuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for analyzing a gas includes: allowing a sample gas to be adsorbed by each of a plurality of adsorbents (70) respectively having compositions that are different from each other; allowing the sample gas to be desorbed individually from the adsorbents (70) while detecting individually the sample gas desorbed from each of t...