Bachelor of Medicine, Kyushu University, Fukuoka, Japan, 1969. Doctor of Philosophy, Kyushu University, Fukuoka, Japan, 1977.
Research associate Kyushu Cancer Center, Kagoshima, Japan, 1975-1978. Assistant professor biochemistry department Oita (Japan) Medical School, 1978-1980, associate professor, 1980-1986. Professor Faculty Medicine Kagoshima (Japan) University, since 1986, director Institute for Cancer Research, since 1988.
Member American Association Cancer Research (correspondent member), Japanese Bio-chemical Society (councilor since 1987), Japanese Cance.
Married Fumiko Yamaguchi, March 11, 1977. Children: Souichi, Ayaka, Yusuke.