PingPong++: community customization in games and entertainment. - Xiao Xiao 001; Michael S. Bernstein; Lining Yao; David Lakatos; Lauren Gust; Kojo Acquah; Hiroshi Ishii 001 (Advances in Computer Entertainment Technology, 2011)

AnnoScape: remote collaborative review using live video overlay in shared 3D virtual workspace. - Austin S. Lee; Hiroshi Chigira; Sheng Kai Tang; Kojo Acquah; Hiroshi Ishii 001 (SUI, 2014)