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Michio Okada

Affiliation Department of Computer Science and Engineering
Title Professor / Director of Center for Human-Robot Symbiosis Research
Fields of Research Cognitive Science / Social Robotics / Interaction Design
Degree Dr. Eng.
Academic Societies Japanese Society for Ecological Psychology / Human Interface Society / Information Processing Society of Japan / Japanese Cognitive Science Society
E-mail okada@
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Laboratory website URL
Researcher information URL Researcher information


We are conducting researches on underlying the mechanisms of embodied human-human communication and social interaction from multidisciplinary perspectives, such as social robotics, cognitive science and interaction design.

Theme1:Social Robotics and Human-Robot Interaction Studies

Sociable Trash Box

We are building various type of sociable creatures/robots such as "Sociable Trash Box", "Talking-Ally", "iBones" and "Muu" for modelling embodied human-human communication and interactions. The main feature of these sociable creatures is that they are "weak robots". They have some weakness or incompleteness in their nature that leads to create a world where people and robots can collaborate and coexist.

Selected publications and works

- Naoki Ohshima , Yasuke Ohyama, Yuki Odahara, P. Ravindra S. De Silva, and Michio Okada: Talking-Ally: The Influence of Robot Utterance Generation Mechanism on Hearer Behaviors, International Journal of Social Robotics, Volume 7, Issue 1, Pages 51-62 (2015).
- Yuto Yamaji, Taisuke Miyake, Yuta Yoshiike, P. Ravindra S De Silva and Michio Okada: STB:Child-Dependent Sociable Trash Box, International Journal of Social Robotics, Volume 3, Number 4, Pages 359-370 (2011).


Weak Robots, Social Robots, Human-Robot Interaction

Theme2:Cognitive Science in Our Everyday Communications

Sociable Creature - Muu

Our human-robot interaction (HRI) studies offer a complementary perspective on the study of human-human social interactions and proto-communications. Our researches focus on ecological / socio-cultural approaches to human action-perception behaviors, developmental process of social skills and establishing social bonding with social others.

Selected publications and works

- Youssef Khaoula, Michio Okada: Gracefully Mitigating Communication Protocol Reuse Breakdowns, Journal of Communications, Vol.12, No.3, pp.187-193 (2017).
- Khaoula Youssef and Michio Okada: How a Minimally Designed Robot can Help Implicitly Maintain the Communication Protocol, Internal Journal of Social Robotics, Volume 9, Issue 3, pp 431–448 (2017).


Interaction Studies, Cognitive SCience in Communication, Proto-communication

Theme3:Interaction Design and Social Implementation


We are collaborating with industry in designing our social robots to be able to use them in social contexts such as a novel interface for autonomous cars, a learning environment for children and multiparty conversational creatures as social mediators.

Selected publications and works

- Nihan Karatas, Soshi Yoshikawa, Shintaro Tamura, Sho Otaki, Ryuji Funayama and Michio Okada: Sociable Driving Agents to Maintain Driver’s Attention in Autonomous Driving, 26th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), 2017.
- Nihan Karatas, Soshi Yoshikawa, P. Ravindra De Silva, Michio Okada:NAMIDA: How to Reduce the Cognitive Workload of Driver, Human-Robot Interaction (HRI2016), pp. 449-450, 2016.


Next-Generation Human Interface Design, Learning Environmental Design, Social Implementation

Title of class

Data Analysis Theory / Multivariate Analysis Theory / Human Interface Design / Robot Informatics II

Others (Awards, Committees, Board members)

◆ 2017: 平成29年度科学技術分野の文部科学大臣表彰「科学技術賞」(科学技術振興部門)
◆ 2016: ICSR2016 Best Robot Design (Special Recognition) Award
◆ 2016: HAI2016 Outstanding Research Award
◆ 2016: HAI2016 Impressive Poster Award 優秀賞
◆ 2015: RO-MAN2015 Best Paper Award Finalist
◆ 2014: HAI2014 Impressive Poster Award
◆ 2013: HRI2013 Honorable Mention Demonstration Award
◆ 2012: HAI-2012 Outstanding Research Award 最優秀賞
◆ 2012: HAI-2012 Impressive Experience Award
◆ 2010: 第11回ヒューマンインタフェース学会論文賞
◆ 2010: HRI 2010 The Best Late-Breaking Report Award
◆ 2010: ICSR 2010 Best Paper Finalist
◆ 2010: HAI2010 Outstanding Research Award 優秀賞

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