He received his B.E., M.E. and Ph.D. degrees in electronic engineering
from the University of Tokyo, in 1976, 1978 and 1981, respectively.
Since 1981, he has been with the Department of Electrical Engineering,
Tokyo University of Science, and currently he is a professor. His
research interests include video coding and image processing. He is a
past president of the Institute of Image Information and Television
Engineers, and is a Fellow of the Institute of Electronics,
Information and Communication Engineers.