- 2004 - The University of Tokushima Institute of Health Biosciences The University of Tokushima Graduate School
- 1992 - ガーナ共和国国野口記念医学研究所 専門家
- 1992 - Noguchi Memorial Institute of Medicine, Ghana JICA specialist
- 1990 - 1991 イタリア国ピサ大学医学部生物医学部門 客員教授
- 1990 - 1991 University of Pisa, School of Medicine, Department of Biomedicine Visiting Professor
- 1991 - イタリア国ピサ大学医学部生物医学部門 客員教授
- 1991 - Visiting Professor
- 1990 - -徳島大学教授医学部(栄養衛生学講座)
- 1976 - 1979 連合王国ロンドン大学(王立外科大学)基礎医科学研究所病理部門 研究員
- 1976 - 1979 London University (Royal College of Surgeons of England, Institute of Basic Medical Simuses, Department of Pathology Research Fellow
- 1979 - 徳島大学助教授歯学部(口腔細菌学講座) 助教授
- 1979 - The University of Tokushima, School of Dentistry Department of Oral Microbiology and Immunology Associate Professor
- 1973 - 1974 カナダ国カナダ国立保健福祉機構細菌血清学部部門
- 1973 - 1974 Division of Bacterial Serology, Health Protection Branch, National Health and WelfareResearch Fellow
- 1972 - The University of Tokushima
- 1972 - The Univeristy of Tokushima, School of Medicine Department of Bacteriology Research Associate
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徳島生物学会
, 日本微生物資源学会
, 日本栄養・食糧学会
, 英国免疫学会
, 日本免疫学会
, 日本細菌学会
, Japanese Society for immunology
, British Journal of Immunology
, Tokushima Society for Biology
, Japanese Society for Nutritional Science and Vitaminology
, Japanese Society for Bacterilogy