Summer 1975.

With my Father, Mother and Sister, Winter 1982.

Undergraduate 1990

With my Grandfather, 4.5.1991 (When I was an undergraduate student).

I was a Ph.D student, 1998.

With my Mother, August 2001, Japan.

With my Wife and Son, Fall 2002.

I was an assistant professor, 2004.

I was an associate professor, 2007.

What I look like now (2010).