* Ph.D. program, Dept. of Geography, Faculty of Science, Tokyo Metropolitan University, Hachioji, Tokyo, Apr 1995 – Apr 1996
* Masters course, Dept. of Geography, Faculty of Science, Tokyo Metropolitan University, Hachioji, Tokyo, Japan, Apr 1993 – Mar 1995.
* Dept. of Geography, Faculty of Letters, Ritsumeikan University, Kyoto, Japan, Apr 1989 – Mar 1993.