| 2016 | 60th Anniversary from Establishment |
| 2016 | System Modification for Laboratory for Advanced Nuclear Energy, Institute of Innovative Research. Abolition of Center for Research into Innovative Nuclear Energy Systems. Integration of International Nuclear Research Cooperation Center. |
| 2014 | Adoption of Program for Research and Education for Nuclear Decommissioning "Advanced Research and Education Program for Nuclear Decommissioning" |
| 2011 | Adoption of Program for Leading Graduate Schools "Global Nuclear Safety and Security Agent" |
| 2010 | Establishment of International Nuclear Research Cooperation Center |
| 2006 | Establishment of Center for Research into Innovative Nuclear Energy Systems (Attached to Tokyou Institute of Technology) |
| 2010 | International Nuclear Research Cooperation Center (Director, a Professor and an Associate Professor) |
| 2008 | Establishment of Cooperative Chairs for RIKEN (Two Coordinate Professors and a Coordinate Associate Professor) |
| 2004 | Establishment of Cooperative Chairs for Innovative Nuclear Reactor Engineering (Two Coordinate Professors and a Coordinate Associate Professor) |
| 2003 | Adoption of the 21st Century COE Program "Innovative Nuclear Energy Systems for Sustainable Development of the World" |
| 2003 | Establishment of Cooperative Chairs for Back-end Engineering (Two Coordinate Professors and a Coordinate Associate Professor) |
| 1995 | Installation of Radiation Monitoring System |
| 1995 | Installation of Dual Mode Phase Doppler Anemometry System |
| 1995 | Establishment of a foreign guest professor at System and Safety Engineering Division |
| 1993 | Installation of High-Sensitivity Analyzer of Nuclear Transmutation Reactions by Particle Beams |
| 1991 | Installation of Mass Transmutation Facilities with High-Quality Particle Beams |
| 1990 | Reorganization of Research Laboratory for Nuclear Reactors, (3-Broad-Division Organization) |
| 1987 | Installation of Nuclear Ceramics Facilities |
| 1985 | Establishment of Blanket Safety Engineering Division, (10-Year Limit, Change of Nuclear Reactor Safety Engineering Division) |
| 1982 | Installation of Blanket Engineering Facilities (4-Year Plan) Installation of Facility for Non-Steady Blanket Simulation Experiments (First Year) Installation of Heavy Ion Linac System (2nd Year) Installation of Facility for Blanket Breeding Experiments (3rd and 4th Years) |
| 1980 | Establishment of Tritium Chemistry Division (10-Year Limit, 11-Division Organization) |
| 1978 | Establishment of Nuclear Reactor Safety Engineering Division (7-Year Limit, 10-Division Organization) |
| 1975 | Radiation Physics Division (Renamed, Old Name: Health Physics Division) |
| 1974 | Construction of Multi-Purpose Irradiation Facilities Laboratory (3-Year Plan) Installation of Multi-Purpose Irradiation Facilities |
| 1970 | Construction of High-Temperature Nuclear Fuel Elements Laboratory (2-Year Plan) Installation of High-Temperature Nuclear Fuel Elements Facilities Establishment of Nuclear Fuel Division (9-Division Organization) |
| 1967 | Construction of Isotope Separation Laboratory (2-Year Plan, Present Name: Isotope Science Laboratory) Installation of Isotope Separation Facilities, Establishment of Reactor Design Division (8-Division Organization) |
| 1965 | Extension of the Main Building of the Research Laboratory Construction of Nuclear Power Laboratory (2-Year Plan), Installation of Nuclear Power Facilities |
| 1964 | Establishment of the Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology (7-Division Organization) |
| 1963 | Construction of Main Building of the Research Laboratory |
| 1962 | Construction of Radio Isotope Laboratory |
| 1961 | Construction of Fission Experiment Facility Research Laboratory (2-Year Plan) Installation of Subcritical Experiment Facility for 20% Enriched Uranium - Light Water System |
| 1960 | Installation of Exponential Experiment Facility for Natural Uranium - Light Water System |
| 1959 | Construction of Atomic Science Laboratory Installation of Cockcroft-Walton Accelerator, Installation of Atlas Mass Spectrograph |
| 1957 | Establishment of Department of Nuclear Engineering in Graduate School of Science and Engineering |
| 1956 | Establishment of the Research Laboratory for Nuclear Reactors, the Faculty of Science and Engineering, Tokyo Institute of Technology (2-Division Organization at First, 7-Division Organization Later) |