ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,721, issued on Jan. 27, was assigned to KYOSAN ELECTRIC MFG. Co. LTD. (Yokohama, Japan).

"Learning model generation method, inference apparatus, and wireless train control system" was invented by Tossaporn Srisooksai (Machida, Japan), Satoshi Nishida (Kawasaki, Japan) and Shuji Nambu (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication status inference apparatus acquires a wireless signal as data indicating a radio wave environment of a wireless base station installed along a railway line when an onboard system and the wireless base station perform cognitive wireless communication, the wireless signal being received by a m...