1958 Born in Toyama, Japan. 1982 MD, Graduated from Toyama Medical and Pharmaceutical University, Toyama Japan. 1986 PhD, Toyama Medical and Pharmaceutical University. 1988-1991 Research Associate, Pittsburgh Cancer Institute, PA, United States. 1991 Assistant Professor, The Third Department of Internal Medicine, Toyama Medical and Pharmaceutical University. 1996-1998 Research Associate, Scripps Research Institute, CA, United States. 2002-2005 Associate Professor, The Third Department of Internal Medicine, Toyama Medical and Pharmaceutical University. 2005-2008 Chief, Department of Gastroenterology, Kyoto Katsura Hospital, Kyoto, Japan. 2008-2010 Director, Department of Internal Medicine, Nanto Municipal Hospital, Toyama, Japan. 2010 Director, Department of Gastroenterology, Takaoka City Hospital, Takaoka, Japan. 2011 Clinical Professor, Faculty of Medicine, University of Toyama, Toyama, Japan. 2013 Director, Department of Gastroenterology, Nanto Municipal Hospital, Nanto, Japan. 2015 Director of Nanto Municipal Hospital, Nanto, Japan.