Identity management architecture for integrated personalized service on TV. - Chigusa Yamamura; Kazuhiro Otsuki; Arisa Fujii; Kiyohiko Ishikawa (ICITST, 2011)

A downloadable conditional access system for satellite broadcasting. - Yusei Nishimoto; Hiroyuki Kawakita; Chigusa Yamamura; Toshio Nakagawa; Tomoyuki Inoue (ICCE, 2014)

System architecture for IoT services with broadcast content. - Hiromu Ogawa; Masaya Ikeo; Hisayuki Ohmata; Chigusa Yamamura; Hiroshi Fujisawa (ICCE, 2018)

Sharing Same Elements in User Viewing History Data Securely Through Private Set Intersection Under User-centric Data Control. - Shuhei Taguchi; Chigusa Yamamura; Hisayuki Ohmata; Daisuke Sekine; Kaisei Kajita; Arisa Fujii (IMX, 2020)