ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,580, issued on April 8, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Transmitting method, receiving method, transmitting device, and receiving device" was invented by Tadamasa Toma (Osaka, Japan), Noritaka Iguchi (Osaka, Japan) and Hisaya Katou (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmitting method according to one aspect of the present disclosure includes transmitting a first stream, the first stream including: timing update identification information id1 indicating whether or not a correspondence relationship between a first reference clock and a second reference clock has ...