| 2024 | HIC | pSCOUTER: Time-Series Emotion Classification Using Contactless Measured Multimodal Biosignals in Medical Diagnosis. | Homura Kawamura, Zhaolong Wang, Kotone Harima, Tatuya Yamanishi, Tomohumi Miura, Yuka Maeda, Yukihiko Okada, Keiichi Zempo |
| 2023 | VRST | Effects of symmetrical avatar arm movements on the sense of ownership of both hands inverted in a mirror. | Toko Fujita, Moeki Horii, Luis David Torres Mailleux, Masatatsu Miyagi, Yukihiko Okada, Keiichi Zempo |
| 2023 | VRST | Effect of voice imitation using voice conversion by avatar on customer service in Virtual Environments. | Hiiro Okano, Yukihiko Okada, Naoto Wakatsuki, Keiichi Zempo |
| 2023 | VRST | Whispering salesperson: perceptual illusion of interpersonal distance and ventriloquism effect in service of virtual environment by use of whisper voice. | Mizuki Yabutani, Azusa Yamazaki, Naoto Wakatsuki, Yukihiko Okada, Keiichi Zempo |
| 2021 | Interact | Effects of Audio-Visual Information on Interpersonal Distance in Real and Virtual Environments. | Azusa Yamazaki, Naoto Wakatsuki, Koichi Mizutani, Yukihiko Okada, Keiichi Zempo |
| 2020 | SENSYS | Real-time reassurance monitoring shopping basket in retail store: poster abstract. | Azusa Yamazaki, Ryo Akatsu, Yukihiko Okada, Keiichi Zempo |