He is a member of Oto-Rhino-Laryngological Society of Japan, CORLAS and Barany Society. His research field ranges from the morphology of the inner ear to molecular biology and molecular genetics. In addition to basic research, his work includes clinical work such as audiology, otology, and cochlear implantation. He is interested in developing basic and clinical research to aid hearing loss patients.

He has published more than 300 peer reviewed articles in international scientific journals. He is an Editorial board of Acta Otolaryngol, Audiological Medicine, Audiology & Neuro- Otology, Otology & Neurotology, Laryngoscope Investigative Otolaryngology, and PLoS ONE.