A digital rights management system for digital broadcasting based on home servers. - Yusei Nishimoto; Akitsugu Baba; Tatsuya Kurioka; Seiichi Namba (IEEE Trans. Broadcast., 2006)

New File System with Conditional Access System for Removable Media. - Kiyohiko Ishikawa; Yusei Nishimoto; Arisa Fujii; Satoshi Fujitsu; Shunji Sunasaki; Takeshi Kimura (CCNC, 2007)

Advanced Conditional Access System for Digital Broadcasting Receivers Using Metadata. - Yusei Nishimoto; Akitsugu Baba; Takeshi Kimura; Hiroyuki Imaizumi; Yoshihiro Fujita (IEEE Trans. Broadcast., 2007)

A digital video scrambling system with variable concealed levels incorporating viewing licenses. - Yusei Nishimoto; Satoshi Fujitsu; Hiroyuki Imaizumi; Nagahisa Mita (PIMRC, 2008)

Integrated Digital Rights Management for Mobile IPTV Using Broadcasting and Communications. - Yusei Nishimoto; Nagahisa Mita; Hiroyuki Imaizumi (IEEE Trans. Broadcast., 2009)

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

TV-watching Companion Robot Supported by Open-domain Chatbot "KACTUS". - Jianming Wu; Donghuo Zeng; Bo Yang; Gen Hattori; Yasuhiro Takishima; Yuta Hagio; Marina Kamimura; Yuta Hoshi; Yutaka Kaneko; Yusei Nishimoto (MUM, 2021)