Dr. Takada graduated in 1961. from the Keio University School of Medicine, MD. In 1966 he received his Ph.D. degree from the same University, and soon after that became a research fellow of New York State Roswell Park Memorial Institue. In 1972 he became an assistant professor at the Department of Experimental Pathology, New York State University at Buffalo, and in 1975 he became a professor and chairman of the Department of Physiology, Hamamatsu University School of Medicine. In 2001 he became the Professor Emeritus of Hamamatsu University. From 2000 to 20014 he served as a chairman of Asia-pacific Society of Thrombosis and Hemostasis, and in 2004 he was named the honorary chairman of Asia-Pacific Society of Thrombosis and Hemostasis.