- 1993 Research Associate, Tokyo Institute of Technology
- 1997 Senior Research Engineer, Public Works Research Institute, Ministry of Construction
- 2004 Associate Professor, Ehime University
- 2009 Professor, Ehime University
- 2025 Professor Emeritus, Ehime University
- 2025 Professor, Waseda University
Project themes:
Assessment of earthquake-induced soil liquefaction.
Prediction of stability against piping failure of river levees.
Liquefaction Experiment and Analysis Project (LEAP)
Themes of graduation thesis:
Prediction of stability of river levee during flooding
River levee monitoring of piping progression
Cost effective liquefaction countermesure
Centrifuge modelling in liquefaction study.
Book:
Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading, Springer, Online ISBN 978-3-030-22818-7.
Measurement Method for degree of saturation of in-situ soils (Patent No. 4899164).”
Social activities:
Japanese Geotechnical Society, International Society of Soil Mechanics and Geotechnical Engineering, Japan Society of Civil Engineers, Science Council of Japan, The Japan Federation of Engineering Societies.