With University Tokyo School Medicine, 1939, senior assistant department physical therapy and medicine, 1946-1955. Chief 2d division department parasitology National Institute Health, Japan, 1953-1967, chief department, 1967-1974. Member emeritus, since 1980.
Lecturer clinical allergy University Tokyo School Medicine, 1956-1971. Professor clinical immunology Dokkyo University School Medicine, 1973-1982, professor emeritus, since 1982, chairman clinical professors, 1978-1980. Panelist Japan-United States of America Cooperative Study Parasitology, 1965-1974.
Honorary fellow American College Allergists. Member Japanese Society Allergy (executive committee, president, honorary fellow since 1981), Korean Society Allergy (honorary), Japanese Society Tropical Medicine (honorary fellow, executive committee), Japan-German Association Protozoan Diseases (president), Research, publications on skin tests for various antigens. Standardization of criteria of positive skin test basic phenomena of skin reaction especially mast cell degranulation mechanism analysis of onset of asthma attacks especially related to air pollution, weather.
Analysis of mechanisms of occupational allergy, others. Home: 8-15 Torimachi Mibumachi TochigiJapan.