Mar.1985
Graduated from Tohoku University (School of Engineering)
Mar.1987
Graduated from Tohoku University (Master Course, Graduate school of Engineering)
Mar.2011
Graduated from The University of Electro-Communications (Doctor Course, Graduate School of Engineering)
Apr.1987
Nippon Telegraph and Telephone Corporation
July 1998
Senior researcher, NTT Information Platform Laboratories in Germany
Apr.2002
Group leader, NTT Information Platform Laboratories
Oct.2007
Director, Security Produce Division, NTT
Sep.2010
Project leader, NTT Service Evolution Laboratories
Apr.2013
Professor, Graduate School of Engineering, Nagasaki University