ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,065, issued on March 11, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to improve media monitoring by adjusting for co-viewing" was invented by Elaine Perrin (Oldsmar, Fla.), Oana Monica Dan (Chatham, N.J.), Lindsey Rabhan (San Francisco) and Matthew Vanlandeghem (Schaumburg, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and articles of manufacture are disclosed. An example apparatus includes a co-viewing calculator to calculate a co-viewing factor corresponding to a demographic of panelists based on exposure information, an exposure time calculator to calculate a number of census co-viewer ex...