- 1997 - 現職
- 1997 - - Head, The Vaccine Research and Development Group
- 1988 - 国立予防衛生研究所 エイズ研究センター 予防治療室 室長
- 1988 - - Head, Laboratory of Immunology, AIDS Research
- 1986 - 国立予防衛生研究所 細胞免疫部 主任研究員
- 1986 - - Senior Investigator, Department of Cellular
- 1983 - アメリカ合衆国 国立衛生研究所 アレルギー感染症
- 1983 - - Guest Worker, Visiting Associate, Laboratory of
- 1978 - 1982 熊本大学医学部 病理部第一講座助手、講師
- 1978 - 1982 Assistant Professor in Department of Pathology,
- National Institute of Infectious Diseases The Vaccine Research and Development Group for Retroviruses AIDS Research Center Head
- 研究所免疫部門 留学
- (formerly National Institute of Health), Tokyo Japan
- Institute of Infectious Diseases
- for Retroviruses, AIDS Research Center, National
- Center, National Institute of Health, Tokyo
- Immunology, National Institute of Health, Tokyo
- Health, Bethesda, Maryland
- Infectious Diseases, National Institutes of
- Immunology, National Institute of Allergy and
- Kumamoto University Medical School