- 1994 Apr., Research Associate at Hokkaido University
- 1998 September – 1999 August, Visiting Researcher at Delft University of Technology
- 2005 Apr., Associate Professor at Hokkaido University
- 2018 Apr. to Present, Professor at Waseda University
Project themes:
Material design in construction
Life time design of civil engineering structures
Sustainable structures design
Themes of graduation thesis:
Repair & strengthening design method for various structures
Safety of Roads & Bridges in ASEAN
Rational maintenance and management of structures in local government
Strategic maintenance of plant facilities
Books Patents, etc.:
Designing Bridges (co-author, Gihodo Shuppan Co., Ltd.), Method of Strengthening for Concrete Structures (Patent No. 4194894), Crack Width Measurement Method, Crack Width Measurement Device and Crack Width Measurement Programme (Patent No. 6955911).
Social activities:
Chief Technical Officer (CTO), Bridge Station LLC; Deputy Director, ASEAN Infrastructure Maintenance Centre; Board member, Japan Prestressed Concrete Institute; Standing Member, Concrete Committee, JSCE;