Background
Tsuboi, Ryoji was born in 1954 in Hiroshima, Japan.
Tsuboi, Ryoji was born in 1954 in Hiroshima, Japan.
Doctor of Medicine, Japan National Defense Medical College, 1980. Doctor of Philosophy, Juntendo University School Medicine, 1987.
Postdoctoral fellow cell biology New York University Medical Center, 1987. Assistant professor department dermatology Juntendo University School Medicine, 1990, associate professor department dermatology, 1998. Professor, chairman department dermatology Tokyo Medical University, 2002.