| 1925 | Imperial Women’s Medical College founded |
|---|---|
| 1927 | School of Pharmaceutical Sciences founded |
| 1930 | Name changed to Imperial Women’s Medical and Pharmaceutical College |
| 1941 | Imperial Women’s College of Science established |
| 1946 | Imperial Women’s College of Science and School of Pharmaceutical Sciences of Imperial Women’s Medical and Pharmaceutical College move to Narashino |
| 1947 | Toho University of Medicine Preparatory Course established (under former system) |
| Imperial Women’s Medical and Pharmaceutical College renamed Toho Women’s Medical and Pharmaceutical College | |
| Imperial Women’s College of Science renamed Toho Women’s College of Science | |
| 1949 | Toho University of Pharmaceutical Sciences established (under new system) |
| 1950 | Toho University Faculty of Science established, along with Departments of Biology and Chemistry |
| Toho University of Medicine Standard Course established (under former system) | |
| 1952 | Toho University School of Medicine, Faculty of Medicine, established (under new system) |
| Toho University of Pharmaceutical Sciences renamed Toho University Faculty of Pharmaceutical Sciences | |
| Toho Women’s Medical and Pharmaceutical College and Toho Women’s College of Science close | |
| 1959 | Toho University Graduate School of Medicine Ph.D. Degree course offered |
| 1961 | Toho University of Medicine closes |
| 1966 | Toho University School of Biopharmaceutical Sciences, Faculty of Pharmaceutical Sciences, established |
| 1979 | Toho University Graduate School of Pharmaceutical Sciences (M.S. Degree in Therapeutic Medicine and Pharmaceutics) established |
| 1981 | Ph.D. Degree in Therapeutic Medicine and Pharmaceutics offered in Toho University Graduate School of Pharmaceutical Sciences |
| 1982 | Toho University Department of Physics, Faculty of Science, established |
| Toho University Graduate School of Science (M.S. Degrees in Chemistry and Biology) established | |
| 1984 | Ph.D. Degrees offered in Chemistry and Biology Departments |
| 1986 | Toho University offers M.S. Degree in Physics in the Graduate School of Science |
| 1988 | Ph.D. Degree in Physics offered in Graduate School of Science |
| 1989 | Departments of Biomolecular Science and Information Science are formed in Faculty of Science |
| 1993 | M.S. Degrees in Biomolecular Science and Information Science offered in Graduate School of Science |
| 1995 | Ph.D. Degree in Biomolecular Science offered |
| 1996 | Ph.D. Degree in Information Science offered |
| 2002 | Toho University School of Nursing established in Faculty of Medicine |
| 2005 | Toho University Department of Environmental Science, Faculty of Science, established |
| 2006 | Toho University School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, establishes a six-year degree program |
| M.S. Degree in Medical Science offered in Graduate School of Medicine | |
| M.S. Degree in Nursing offered in Graduate School of Medicine |