Papers
16
Total Citations
133
H-Index
7
About
Wataru Sato is a pioneering researcher at the intersection of human-robot interaction, affective computing, and social robotics, with particular expertise in developing and validating emotionally expressive android systems. His most impactful work centers on engineering androids capable of producing authentic human-like facial expressions, employing innovative methodologies such as Bayesian optimization to refine emotional displays efficiently — research that has garnered over 36 citations for a single study alone. Sato has made significant contributions to understanding how robots can replicate the positive social effects of human touch, demonstrating that robotic stroke touch produces measurable emotional benefits comparable to human contact, with promising applications in eldercare settings. His work further explores multimodal emotional communication, including how synchronized vocal prosody enhances empathic responses in human-robot conversation. Beyond social robotics, Sato has extended his expertise to high-stakes industrial environments, contributing to robotic solutions for nuclear decommissioning at Fukushima Daiichi and haptic digital twin technologies. With research spanning from interactive evolutionary computation in design systems to complex emotion expression in androids, Sato's body of work represents a comprehensive and deeply humanistic approach to making robots meaningful partners in both care and industry.
Research Focus
Key Achievements
Top Papers
- 1
- 2Robot touch with speech boosts positive emotions16 citations · 2022
- 3
- 4
- 5An android can show the facial expressions of complex emotions9 citations · 2025
- 6
- 7Pleasant Stroke Touch on Human Back by a Human and a Robot7 citations · 2023
- 8Delivery of pleasant stroke touch via robot in older adults6 citations · 2024
- 9
- 10Vocal Synchrony of Robots Boosts Positive Affective Empathy4 citations · 2021