Japan’s love affair with US digital rights management expert Intertrust Technologies, a relationship which has survived the mass migration to OTT video, is one of technology’s best success stories. Of course, the co-ownership of Intertrust’s well-known Marlin DRM by major consumer electronics forces, plus its adoption as Japan’s national IPTV standard since 2007, have been decisive factors in Intertrust’s Japanese dominance, but this week saw a win for one of the company’s newer content security technologies in the Japanese cable TV market. The ExpressPlay Universal DRM (uDRM) from Intertrust, owned by Sony and Philips, has been tapped by IP-based video distribution platform provider Japan Digital Serve (JDS), which does exactly that – serve Japan’s cable TV operators with an internet…