- 1973
- The Department of Information Engineering was established in the Graduate School of Engineering.
- 1985
- The Department of Information Engineering was established in the School of Engineering.
- 1992
- The Graduate School of Human Informatics was established.
- 1993
- The School of Informatics and Sciences was established.
- 1995
- The Department of Information Engineering, School of Engineering is reorganized as the Information Engineering Course, Department of Electrical and Electronic Engineering and Information Engineering, for the purpose of placing emphasis on the graduate schools.
- 2003
- The Graduate School of Information Sciences was established by merging the Graduate School of Human Informatics and the Department of Information Engineering, Graduate School of Engineering, as a research educational institution with the aim of creating a new specialized school based on the fusion of the two graduate schools.
- 2017
- The School of Informatics and Sciences was reorganized, and the School of Informatics was established by merging the School of Informatics and Sciences with the Information Engineering Course, School of Engineering.
The Graduate School of Informatics was established by merging the Department of Phychology, Graduate School of Environmental Studies and the Media Professional Studies, Graduate School of Languages and Cultures, with the Graduate School of Information Science.