ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,222, issued on Dec. 9, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Sponsorship credit period identification apparatus, sponsorship credit period identification method and program" was invented by Yasunori Oishi (Tokyo), Takahito Kawanishi (Tokyo) and Kunio Kashino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A credit segment identifying device includes an extracting unit. The extracting units extracts, from a first speech signal, a plurality of first partial speech signals. Each of the plurality of first partial speech signals is a part of the first speech signals and shifted from each other in time direction. An identifyi...