Professional Career
April 1, 1972
Research Assistant, University of Tokyo
June 16, 1976
Assistant Professor, University of Tokyo    
August 1, 1977
Assistant Professor, University of Electro-Communications
April 1, 1982
Associate Professor, University of Electro-Communications
April 1, 1987
Associate Professor of Educational Computer Centre, University of Tokyo
November 1, 1987
Associate Professor of Faculty of Engineering, University of Tokyo
(Concurrent appointment)
April 1, 1990
Associate Professor of Faculty of Engineering, University of Tokyo
January 1, 1993
Professor of Faculty of Engineering, University of Tokyo
April 1, 1996- March 31, 1999
Director of Educational Computer Centre, University of Tokyo
(Concurrent appointment)        
April 1, 2001- March, 2011
Professor of Graduate School of Information Science and Technology,
University of Tokyo
July 22, 2003- Present
Member of the Science Council of Japan
April 1, 2004- March 31, 2007
Dean of Graduate School of Information Science and Technology,
University of Tokyo (Concurrent appointment)
July 1, 2004- March 31,2012
Visiting Professor of National Institute of Informatics
(Concurrent appointment)
October 1, 2007- March 31, 2011
Visiting Professor of National Institution for Academic Degrees and University Evaluation
(Concurrent appointment)
April 2, 2011- March 31, 2012
Professor
National Institution for Academic Degrees and University Evaluation
June 2011
Professor Emeritus, University of Tokyo
October 2011- April 2013
Vice-President
Science Council of Japan
April 1, 2012- March 31, 2016
Dean of Research Department
National Institution for Academic Degrees and University Evaluation
April 1, 2016- March, 2018
Dean of Research Department
National Institution for Academic Degrees and Quality Enhancement of Higher Education
(Professional Career in Japanese)