| 2011~ | Vice President of JRC, Nagoya 1st Hospital |
| 2005~ | Head, Department of Pathology, JRC, Nagoya 1st Hospital |
| 1993-2005 | Associate Professor, Department of Pathology, Nagoya University Hospital |
| 1992–1993 | Lecturer, Department of Pathology, Nagoya University, School of Medicine |
| 1990-1991 | Fellow, Canon Foundation in Europe (Berlin Free University, Institute of Pathology, Prof. H. Stein) |
| 1986-1992 | Assistant Professor, Department of Pathology, Nagoya University, School of Medicine |
| 1980-1982 | Resident, Fukuroi Municipal Hospital, Fukuroi |