| 2024 to present | | Group leader, structural thermodynamics group, NIMS |
| 2025 to present | | Visiting professor, Inst. of science Tokyo |
| 1986 - 1992 | | Master of eng., Tokai Univ. |
| 2017 - 2017 | | Doctor of eng., Titech |
| 2002 - 2003 | | Guest researcher, KTH sweden |
| 2022 - 2026 | | Director, Alloy phase diagram society |
| 2021 - 2026 | | Chair, Research group of computational thermodynamics |
| 2024 - 2026 | | Guest professor, Nagoya Univ. |
Computational Thermodynamics, CALPAHD, Thermodynamic assessment, Phase diagram database
He is a principal researcher at NIMS, and is currently working on CALPHAD-type thermodynamic assessments and constructing various thermodynamic databases. For alloy systems, TDB files can be downloaded from an open database named CPDDB (Computational Phase Diagrams DataBase).