ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,806, issued on Oct. 14, was assigned to I-PEX Inc. (Kyoto, Japan).

"Odor detection device, odor detection method, and program" was invented by Kenji Ogata (Ogori, Japan), Takeshi Suzuki (Ogori, Japan), Hisatoshi Sakamoto (Ogori, Japan) and Yuki Hayata (Ogori, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An odor detection device (1) includes an odor sensor (10), environmental information measurement means (11, 12), odor information collection means (20), difference information acquisition means (21), and correction means (22). The odor sensor (10) detects information on an odor emitted from an odor source (2). The environmental information me...