He received a B.E., M.E., and Ph.D. in communication engineering from Osaka University, Japan in 1992, 1994, and 2005. He joined NTT (Nippon Telegraph and Telephone Corp.) in 1994 and since then has been engaged in researching video-on-demand systems and metadata-related interactive video systems and services, especially those related to IPTV and digital signage services. His current interests include standardization of digital signage and ILE (Immersive Live Experience).