Environmental hydraulics, Management of Water Environment, River Engineering, Environmental education.
B. Eng.: Tokyo Institute of Technology, 1973
M. Eng.: Tokyo Institute of Technology, 1975
D. Eng.: Tokyo Institute of Technology, 1978
1978-1983: Researcher, Public Works Research Institute, Ministry of Construction
1983-1990: Associate Professor, Tokyo Institute of Technology
(1886-1987: Visiting Scientist, Massachusetts Institute of Technology)
1990-1992: Associate Professor, Tohoku University
1992-1993: Professor, Tohoku University
1993-2016 Professor, Tokyo Institute of Technology
(2003-2013: Visiting Professor, Nanjing University, China)
(2003-2015: Visiting Professor, Northeast Normal University, China)
(2007-2011: Guest Professor, National Graduate Institute for Policy Studies)
(2013-2016: Chair Professor, in the “Scholar of Northeast Normal University” program)
-present: Professor Emeritus, Tokyo Institute of Technology
Guest Professor, Hosei University
Technical Advisor to CTI Engineering, Co. Ltd.
Technical Advisor to Token C. E. E Consultants Co. Ltd.
1979 Young researcher award of Japan Society of Civil Engineers
2001 Award for collaborative research from Department of Environmental and Natural Resources, the Philippines
2008 Award for excellent engineering works from Kanto Reginal Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Japan
2009 Award for contribution to preliminary training of Chinese students for studying in Japan, 30th anniversary of Japan-China graduate students exchange program
2012 Award for the best research work from the River Foundation
2016 Award for the best technical paper from Japan Society of Dam Engineers