FieldCast: Peer-to-Peer Presence Information Exchange in Ubiquitous Computing Environment. - Katsunori Matsuura; Yoshitsugu Tsuchiya; Tsuyoshi Toyono; Kenji Takahashi (IEICE Trans. Inf. Syst., 2004)

A new remote configurable firewall system for home-use gateways. - Shintaro Mizuno; Katsunori Matsuura; Kohji Yamada; Kenji Takahashi (CCNC, 2005)