| April 1988 | The Graduate University for Advanced Studies is inaugurated. The Department of Accelerator Science and the Department of Synchrotron Radiation Science departments are established.October 1998 |
| October 1998 | The Department of Synchrotron Radiation changes its name to the Department of Materials Structure Science. |
| April 1999 | The Department of Particle and Nuclear Physics is established. |
| April 2004 | The school of Mathematical and Physical Science is reformed into three schools, the school of Physical Science, the school of High Energy Accelerator Science and the School of Multidisciplinary Science. |