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Medical Information Systems Lab
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A medical informatics lab that aims to transform healthcare itself through medical data and information technology.
AboutAbout the lab
Studying healthcare scientifically from an informatics perspective
The Medical Informatics lab studies, from an informatics perspective, how information is handled within healthcare.
The lab aims to gain new insights by analyzing the vast amounts of data accumulated in electronic health records and similar systems, and to support clinical practice itself with IT.
The lab bases its research and education within the University of Tokyo Hospital. It is distinctive in operating the hospital's medical information system while using real data and systems as its research setting.
At the graduate level, the lab is in charge of education for the Department of Social Medicine, the Department of Public Health, and the Department of Health Sciences and Nursing.
Key terms
- Electronic health record (EHR)
- A system that manages patients' consultations, tests, and medication records on computers instead of on paper
- HL7 FHIR
- An international standard for exchanging medical data. It allows data to be handled in the same format even across different hospitals and companies
- Natural language processing
- Technology for analyzing text written by people with computers. It is used to extract information from the text of electronic health records
NewsLab news
In joint research with Keio University and others, the lab announced findings from AI analysis of electronic health record text on the effects of existing drugs that reduce side effects
A graduate student received the KDDM 2025 Innovation Award (First Place) at the AMIA 2025 Annual Symposium
A graduate student received the 8th Academic Paper Award from the Japan Association for Medical Informatics
A joint-research paper received the Best Paper Award at MedInfo 2025, hosted by the International Medical Informatics Association
ResearchResearch themes
The lab prepares the electronic data generated and accumulated in healthcare so that computers can process it, and conducts research on standardizing data so that data from many institutions can be combined and analyzed. It also develops new methods, such as analysis of free-text notes in electronic health records.
*Illustrative imageConnecting medical data across hospitals
The lab standardizes and consolidates medical data that differs from hospital to hospital, and develops a common platform that enables large-scale secondary use. It is rolling out to hospitals across Japan a system that converts and stores data from electronic health records and other sources in line with the international standard HL7 FHIR.
*Illustrative imageFinding drugs from the text of electronic health records
Combining real-world data with natural language processing, the lab searches the text of electronic health records for "synergistic drugs": combinations of existing drugs that reduce side effects. This is joint research with Keio University and the Nara Institute of Science and Technology.
MembersFaculty
The members of the Medical Informatics lab include faculty, project researchers, technical and administrative staff, doctoral and professional master's students, and registered researchers.As of 2026
- ProfessorYoshimasa KawazoePublications ↗
- LecturerHidenao Atarashi
- LecturerYusuke IdaPublications ↗
- Assistant ProfessorYugo Nagae
- Assistant ProfessorTomohiro Mitani
- Assistant ProfessorKana Miyake
- Assistant ProfessorKeisuke Ikegami
- Project Assistant ProfessorEmiko Shinohara
VoicesStudent voices
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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: “EHR & EMR Software Development” Lunasora05 / CC BY 4.0 (cropped)
- Connecting medical data across hospitals: “Wikimedia Foundation Servers-8055 13” Victorgrigas / CC BY-SA 3.0 (cropped)
- Finding drugs from the text of electronic health records: “Letter Word Text Taxonomy by Teresa Berndtsson” Teresa Berndtsson / CC BY 4.0 (cropped)
- Related lab (Imai Lab (Medical Engineering and Informatics)): “Social Network Visualization” Martin Grandjean / CC BY-SA 4.0 (cropped)
- Related lab (Mizushima Lab): “Multicolor fluorescence image of living HeLa cells” 8x57is / CC BY-SA 4.0 (cropped)
- Related lab (Public Health and Health Policy Lab): “Shibuya Crossing ( )” Dick Thomas Johnson from Tokyo, Japan / CC BY 2.0 (cropped)
- Related lab (Yamada Lab): “Иммуноцитохимическое окрашивание культуры клеток человека” Daria Goliusova / CC BY 4.0 (cropped)
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