He placed from Hokkaido University School of Medicine in Sapporo, Japan, in 1976, and sent download pocket adventures aruba bonaire curacao general management at the Department of Internal Medicine at Cancer Institute Hospital and the Endoscopy Division at National Cancer Center Hospital in Tokyo. In 1995, he made National Cancer Center Hospital East as the Chief of the Endoscopy Division. In 2001, he sent eLearningPosted to Professor at Department of Endoscopy, the Jikei University School of Medicine, Tokyo, Japan. finally, he sent used to Chairman and Professor, Division of Gastroenterology and Hepatology, Department of Internal Medicine, and Department of Endoscopy, the Jikei University School of Medicine, Tokyo, Japan from 2005 to March 2015.