InteractiveDESK: a computer-augmented desk which responds to operations on real objects. - Toshifumi Arai; Kimiyoshi Machii; Soshiro Kuzunuki; Hiroshi Shojima (CHI 95 Conference Companion, 1995)

Retrieving Electronic Documents with Real-World Objects on InteractiveDESK. - Toshifumi Arai; Kimiyoshi Machii; Soshiro Kuzunuki (ACM Symposium on User Interface Software and Technology, 1995)

PaperLink: A Technique for Hyperlinking from Real Paper to Electronic Content. - Toshifumi Arai; Dietmar Aust; Scott E. Hudson (CHI, 1997)

Adding another communication channel to reality: an experience with a chat-augmented conference. - Jun Rekimoto; Yuji Ayatsuka; Hitoraka Uoi; Toshifumi Arai (CHI Conference Summary, 1998)

Dream drill: learning application. - Aya Ikeda; Toshifumi Arai; Itiro Siio (CHI Extended Abstracts, 2012)