1984: MD in Kobe University School of Medicine
1988: PhD in Kobe University Graduate School
1989: Postdoctoral Fellow in Department of Dermatology, Yale University School of Medicine, (Ruth Halaban)
1996: Visiting Fellow in Department of Dermatology, Cincinnati University School of Medicine (Zalfa Abdel-Malek)
1996: Associate Professor in Department of Dermatology, Kobe University School of Medicine
2014: Professor in Department of Dermatology, Nippon Medical School
