Area-based photo-plethysmographic sensing method for the surfaces of handheld devices. - Hiroshi Chigira; Atsuhiko Maeda; Minoru Kobayashi (UIST, 2011)

Mouse with Photo-Plethysmographic surfaces for unobtrusive stress monitoring. - Hiroshi Chigira; Minoru Kobayashi; Atsuhiko Maeda (ICCE-Berlin, 2012)

Heart rate monitoring through the surface of a drinkware. - Hiroshi Chigira; Masayuki Ihara; Minoru Kobayashi; Akimichi Tanaka; Tomohiro Tanaka (UbiComp, 2014)

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)

Heart rate monitoring by a pulse sensor embedded game controller. - Erika Abe; Hiroshi Chigira; Koichi Fujiwara; Toshitaka Yamakawa; Manabu Kano (APSIPA, 2015)

Estimating changes in a cognitive performance using heart rate variability. - Keisuke Tsunoda; Akihiro Chiba; Hiroshi Chigira; Tetsuya Ura; Osamu Mizuno (BIBE, 2015)

Online estimation of a cognitive performance using heart rate variability. - Keisuke Tsunoda; Akihiro Chiba; Hiroshi Chigira; Kazuhiro Yoshida; Tomoki Watanabe; Osamu Mizuno (EMBC, 2016)

Development of Photoplethysmogram sensor-embedded video game controller. - Erika Abe; Koichi Fujiwara; Manabu Kano; Hiroshi Chigira; Toshitaka Yamakawa (ICCE, 2016)

Aerial image display with expanded viewing area that can be viewed by multiple people. - Ayami Hoshi; Motohiro Makiguchi; Ayaka Sano; Hiroshi Chigira; Takayoshi Mochiduki (SUI, 2023)

Vertical Aerial Imaging on the Display. - Motohiro Makiguchi; Ayami Hoshi; Ayaka Sano; Hiroshi Chigira; Takayoshi Mochiduki (SUI, 2023)

Implementation of Interactive Mirror-Transcending Aerial Imaging System. - Motohiro Makiguchi; Ayaka Sano; Takahiro Matsumoto; Hiroshi Chigira; Takayoshi Mochiduki (SUI, 2023)

LayerShift: Reconfigurable Layer Expression Using Robotic Transparent Displays. - Takahiro Kusabuka; Hiroshi Chigira; Takayoshi Mochizuki (UIST (Adjunct Volume), 2023)

Mirror-Transcending Aerial Imaging System for Multiple Users. - Motohiro Makiguchi; Ayami Hoshi; Ayaka Sano; Takahiro Kusabuka; Hiroshi Chigira; Takayoshi Mochizuki (SIGGRAPH Emerging Technologies, 2024)

Vibrotactile Invisible Presence: Conveying Remote Presence through Moving Vibrotactile Footstep Cues on a Haptic Floor. - Takahiro Kusabuka; Yuichi Maki; Kakagu Komazaki; Masafumi Suzuki; Hiroshi Chigira; Takayoshi Mochizuki (SIGGRAPH Asia Posters, 2024)

Aerial Imaging System to Reproduce Reflections in Specular Surfaces. - Ayaka Sano; Motohiro Makiguchi; Ayami Hoshi; Hiroshi Chigira; Takayoshi Mochizuki (VRST, 2024)