Research associate Kokushikan University, Tokyo, 1972-1973, assistant professor, 1973-1975, associate professor, 1975-1986, professor, since 1986, head department, 1990—1993, 2000—2001, 2004—2006. Guest professor Massachusetts Institute of Technology, 1978-1979. Guest researcher National Aerospace Laboratory, Japan, 2001-2004.
Organizing member Cascade-flow Research Committee, Tokyo, since 1987, Japan-Russia Company Fluid Dynamics Congress, Tsukuba, 1990. Symposium organizer, keynote lecturer International Conference Computational and Experimental Engineering and Sciences, 2003.
Author: Computational Mechanics '91, 1991, Modeling and Simulation Based Engineering, 1998, Unsteady Aerodynamics, Aeroacoustics and Aerolasticity of Turbo Machines, 2001, Advances in Computational Engineering & Sciences, 2002. Editor International Journal Mathematical Modeling and Computational Experiments, 1995-2000. Member editorial advisory board, member public board Computational Fluid Dynamics Journal, 1993-1994, 1994-1998.
Contributor articles to professional journals.