1988 He received DDS from Niigata University School of Dentistry, Japan
1992 He finished orthodontic program combined with PhD program in Department of Orthodontics Niigata University School of Dentistry
1994 He became Assistant Professor in Department of Orthodontics Niigata University School of Dentistry
1994 – 1996 Visiting Assistant Professor in Center for Craniofacial Anomalies University of California San Francisco, USA
1996 – 2001 Assistant Professor in Department of Orthodontics Niigata University School of Dentistry
2001 – 2002 Assistant Professor in Division of Orthodontics, Niigata University Graduate School of Medical and Dental Sciences
2002 – Present Chief Orthodontist in Ishii Orthodontics, Komatsu, Japan
・Certificate of Accredited Orthodontist from Japanese Orthodontic Society in 1997
・Certificate of Orthodontic Instructor from Japanese Orthodontic Society in 2001
・Member of the Japanese Board Orthodontists in 2008
Intrusion of Over-erupted Upper Molars and Lower Premolar in Adults Requiring Comprehensive Treatment