ALEXANDRIA, Va., March 26 -- United States Patent no. RE50,355, issued on March 25, was assigned to Adeia Technologies Inc. (San Jose, Calif.).

"Reducing unicast session duration with restart TV" was invented by Terry Qing Guo (Mountain View, Calif.), Nadav M. Neufeld (Sunnyvale, Calif.), Edwin K. Lau (San Francisco) and Haoyun Wu (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first portion of programming aired prior to a first time is obtained via a unicast session with a server, the first portion including previously aired programming. When the programming data being sent via the unicast session catches up to a multicast broadcast of the programming, the unicast session is terminated and ...