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)

Predicting Changes in Cognitive Performance Using Heart Rate Variability. - Keisuke Tsunoda; Akihiro Chiba; Kazuhiro Yoshida; Tomoki Watanabe; Osamu Mizuno (IEICE Trans. Inf. Syst., 2017)

Impact Damage Detection Using Chirp Ultrasonic Guided Waves for Development of Health Monitoring System for CFRP Mobility Structures. - Langxing Tan; Osamu Saito; Fengming Yu; Yoji Okabe; Taku Kondoh; Shota Tezuka; Akihiro Chiba (Sensors, 2022)