Unfulfilled by its meal of Technicolor’s patents licensing business, US mobile technology specialist InterDigital has come back for seconds, wolfing down the troubled French vendor’s Research & Innovation (R&I) division for an undisclosed sum. Could rivals rue the day they allowed InterDigital to inherit the guts of a company which, despite its ongoing dismantling, owns some dynamic technologies and has a world-renowned research unit? Already known as a vociferous patents force in video and wireless, InterDigital will make additional inroads into the fierce video codec and smart home spaces with its latest purchase, as well as into emerging segments such as AR, VR, machine learning, imaging sciences and wider IoT use cases. HEVC and ATSC 3.0 in particular are two…