SmartPad: a finger-sensing keypad for mobile interaction. - Jun Rekimoto; Haruo Oba; Takaaki Ishizawa (CHI Extended Abstracts, 2003)

PreSense: interaction techniques for finger sensing input devices. - Jun Rekimoto; Takaaki Ishizawa; Carsten Schwesig; Haruo Oba (UIST, 2003)

LifeTag: WiFi-Based Continuous Location Logging for Life Pattern Analysis. - Jun Rekimoto; Takashi Miyaki; Takaaki Ishizawa (LoCA, 2007)

xtel: a development environment to support rapid prototyping of "ubiquitous content". - Satoru Tokuhisa; Takaaki Ishizawa; Yoshimasa Niwa; Kenji Kasuya; Atsuro Ueki; Sho Hashimoto; Kazuhiko Koriyama; Masa Inakage (TEI, 2009)