Background
Kumagai, Ken-ichi was born on April 6, 1945 in Hokkaido, Japan.
Kumagai, Ken-ichi was born on April 6, 1945 in Hokkaido, Japan.
Doctor of Philosophy, Tohoku University, 1973.
Research associate Osaka University, Japan, 1973—1982. Associate professor Hokkaido University, 1982—1994, professor, since 1994.