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Coexistence Design Lab
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A lab that uses information technology to give shape to a society where everyone can support one another.

AboutAbout the lab
Toward an inclusive future society
The Coexistence Design Lab studies communication technology that deepens connections between people.
From the standpoint of human-computer interaction, the lab aims for a society in which everyone, while holding diverse values, can support one another.
Grounded in theories of behavioral science and social psychology, the lab uses observation of people and surveys to uncover the needs of the field and the essence of interaction.
Its distinguishing feature is that it does not pursue the advancement of information technology itself, but designs technology based on this understanding.
Key terms
- Human-computer interaction
- A field that studies how people and computers interact and designs easy-to-use systems
- Inclusive design
- An approach that designs technology so that everyone can use it equally, regardless of differences such as disability, gender, or nationality
- Behavioral science
- A general term for disciplines that study human behavior through observation and experiments and seek its laws
NewsLab news
A student of the lab presented research at the international conference CHI 2026
A student of the lab received an Outstanding Master's Thesis Award
A student received the Distinguished Project Award at UBISS2025, an international summer school in Finland
A student of the lab presented research at the international conference CHI 2025
The Coexistence Design Lab was established
ResearchResearch themes
The lab's research rests on two pillars: inclusive design, and communication technology that supports mental health. It grasps each person's individual needs from cognitive, emotional, and social perspectives, develops technology that responds to them, and tests it while implementing it in society.
*Illustrative imageInclusive design
The lab designs information technology so that everyone can live equally rich lives, regardless of disability, gender, or nationality. Its work includes supporting the participation of non-native speakers, supporting social reintegration after depression, and supporting encounters and interaction among LGBT people.
*Illustrative imageTechnology that supports mental health
Information technology now lets us connect with anyone, but weakening human relationships and isolation can harm mental health. Based on theories from social science and psychology, the lab studies technology that eases this.
MembersFaculty
The members of the Coexistence Design Lab are faculty members and students in the doctoral program, the master's program, and the undergraduate program.As of 2026
- ProfessorNaomi Yamashita
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Itodenwa” Los688 / Public domain (cropped)
- Inclusive design: “Red jigsaw puzzle piece on green pieces” Profpcde / CC0 (cropped)
- Technology that supports mental health: “Yukitsuri in Kenroku Garden”
そらみみ / CC BY-SA 4.0 (cropped) - Related lab (応用数理科学): “Multiphase Flow Stirred Reactor” SimScale GmbH / CC BY-SA 4.0 (cropped)
- Related lab (スーパーコンピューティング): “End-of-life” Dennis van Zuijlekom / CC BY-SA 2.0 (cropped)
- Related lab (数理解析): “The board” Yulia Meshkova / CC BY 4.0 (cropped)
- Related lab (コンピュータアルゴリズム): “BDD” The original uploader was IMeowbot at English Wikipedia. / CC BY-SA 3.0 (cropped)
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