Using features for machine design problems. - Tamotsu Murakami; Naomasa Nakajima (Comput. Graph., 1990)

Direct and intuitive input device for 3-D shape deformation. - Tamotsu Murakami; Naomasa Nakajima (CHI, 1994)

DO-IT: deformable objects as input tools. - Tamotsu Murakami; Kazuhiko Hayashi; Kazuhiro Oikawa; Naomasa Nakajima (CHI 95 Conference Companion, 1995)

A conceptual design environment for micromechanisms. - Takashi Kiriyama; Naomasa Nakajima; Shinobu Yoshimura; Stuart C. Burgess; David Moore; Narito Shibaike (ED&TC, 1996)

Micromachines as Unconventional Artifacts. - Naomasa Nakajima (IEA/AIE, 1996)

DO-IT: deformable object as input tool for 3-D geometric operation. - Tamotsu Murakami; Naomasa Nakajima (Comput. Aided Des., 2000)