- 2014/04/01 - associate professor, Fukuoka University Chikushi Hospital
- 2010/04/01 - 2014/03/31 Dept. of Ophthalmology, Fukuoka University, Chikushi hospital, Fukuoka, Japan, Assistant professor.
- 2008/04/01 - 2010/03/31 Dept. of Ophthalmology, Hamanomachi Hospital, Fukuoka, Japan, Clinical fellow
- 2005/05/18 - 2008/03/31 Dept. of Ophthalmology, Joslin Diabetes Center, Research Fellow
- 2005/04/01 - 2005/05/15 Dept. of Ophthalmology, Kyushu University, Fukuoka, Japan, Clinical fellow
- 2003/04/01 - 2005/03/31 Dept. of Ophthalmology, Fukuoka-city Hospital, Fukuoka, Japan, Clinical fellow
- 1998/04/01 - 1999/03/31 Dept. of Ophthalmology, Aso-iiduka Hospital, Iiduka-city, fukuoka, Japan, Clinical fellow
- 1997/05/15 - 1998/03/31 Dept. of Ophthalmology, Kyushu University, Fukuoka, Japan, Residency
- 1996/05/15 - 1997/05/15 Dept. of Ophthalmology, Yamaguchi University, Yamaguchi, Japan, Residency
- Fukuoka University Fukuoka University Chikushi Hospital