ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,644, issued on Feb. 25, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Wireless communication method, base station, and wireless communication system" was invented by Toshiro Nakahira (Musashino, Japan), Tomoki Murakami (Musashino, Japan), Hirantha Abeysekera (Musashino, Japan), Koichi Ishihara (Musashino, Japan), Takafumi Hayashi (Musashino, Japan) and Yasushi Takatori (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radio communication method of connecting a base station with a plurality of terminal stations, the base station including a plurality of radio communication units compatible with a plurality of communi...