Prof. Hironobu Ihn was born in 1964 at Kobe, Japan and graduated from University of Tokyo in 1990. He became assistant professor, Department of Dermatology, Faculty of Medicine, University of Tokyo in 1990, and worked as the research fellow in Division of Rheumatology & Immunology, Medical University of South Carolina, SC, USA between 1994 and 1997. He worked as the lecturer, Department of Dermatology, Faculty of Medicine between 2001 and 2005 and became the associate Professor, Department of Dermatology, Faculty of Medicine, University of Tokyo. He was elected as the professor & Chairman, Department of Dermatology & Plastic Surgery, Faculty Life Sciences, Kumamoto University in 2005 and became the Vice President, Kumamoto University Hospital in 2013. He obtained Japanese Society of Connective Tissue Research Award in 2001, Japanese Society of Investigative Dermatology Award in 2005, and Japan Rheumatism Foundation Award in 2006.

Collagen diseases and Autoimmunity.