An Image-based Approach for Human Communication on the WWW. - Takefumi Ogawa; Masahiko Tsukamoto; Yin-Huei Loh; Taro Nakao; Shojiro Nishio (Communications, Internet, and Information Technology, 2002)

KEITAI-Space: Photo-Based Shared Virtual Space on Cellular Phones. - Taro Nakao; Masahiko Tsukamoto; Takefumi Ogawa; Shojiro Nishio (AINA (1), 2004)

Towards I-centric business communication tools. - Christian Räck; Thomas Bauer; Christoph Weckerle; Stephan Steglich; Stefan Arbanowski; Taro Nakao; Tadaaki Arimura; Tatsuya Nakamura; Shigetoshi Yokoyama (ISADS, 2005)

An Asynchronous Messaging Platform for Development of Context-aware Services. - Taro Nakao; Shigetoshi Yokoyama (ISADS, 2007)