1981: Bachelor Eng. degree, Nagoya University, Japan; 1987: Doctoral Eng. degree, Nagoya University, Japan; 1987: National Industrial Reaearch Institute of Nagoya, Japan; 1989: Niigata University, Japan, Assistant Professor; 1995: Niigata University, Japan, Associate Professor; 1998: University of Southern California, USA Visiting Scientist; 2000: Niigata University, Japan, Professor; 2003: Qiqihar University, China, Guest Professor.