March 25, 1983	Bachelor Degree (Communication Engineering), Tohoku University
March 25, 1985	Master Degree (Information Engineering), Tohoku University
March 25, 1988	Doctor Degree/Ph.D. (Information Engineering), Tohoku University

April 1, 1988	Assistant Professor, Tohoku University
April 1, 1991	Lecturer, Tohoku University
April 1, 1993	Associate Professor, Tohoku University
October 16, 2001	Professor and Vice-Director of Information Synergy Center, Tohoku University
April 1, 2008-present	Director of Cyberscience Center, Tohoku University

September 1, 1995-December 31, 1995 June 1, 1997-March 31, 1998 March 31, 2001-January 14, 2002	Visiting Associate Professor, Computer Systems Laboratory and Electrical Engineering Department, Stanford University
April 1, 1996-March 31,1998	Researcher of Toyota Physical and Chemical Research Institute
October 1, 2006-present	Visiting Professor of National Institute of Informatics
April 1, 2007-present	Professor of Institute of Fluid Science, Tohoku University