- 1992 - 現在 Chairman, Department of Cardiovascular Dynamics,
- 1990 - 1992 Assistant Professor, Research Institute of Angiocardiology
- 1992 - - 国立循環器病センター循環動態機能部長
- 1983 - 1990 Instructor, Research Institute of Angiocardiology and
- 1982 - 1983 Assistant Professor, Department of Medicine (Division of
- 1981 - 1983 Instructor, Department of Biomedical Engineering, The Johns
- 1983 - - 九州大学医学部助手、講師
- 1981 - 1982 Instructor, Department of Medicine (Division of Cardiology),
- 1978 - 1981 Research associate, Department of Biomedical
- 1976 - 1978 Research associate (joint appointment),
- 1976 - 1978 Clinical fellow (Cardiology), Research Institute
- 1978 - - 米国ジョンスホプキンス大学医学部研究生、講師、助教授
- 1976 - - 九州大学附属病院循環器内科医員
- Center Hospital, Osaka, Japan
- and Director of cardiology, The National Cardiovascular
- The National Cardiovascular Center Research Institute,
- and Cardiovascular Clinic, Kyushu University Hospitals,
- Fukuoka, Japan
- Cardiovascular Clinic, Kyushu University Medical School,
- Cardiology), The Johns Hopkins Medical School, Baltimore
- Hopkins Medical School, Baltimore
- The Johns Hopkins Medical School, Baltimore
- Engineering, The Johns Hopkins Medical School, Baltimore
- Information Science Laboratory for Biomedicine,
- Kyushu University Medical School, Fukuoka, Japan
- of Angiocardiology and Cardiovascular Clinic,