He received the Rafaelsen Fellowship Award from the 19th Collegium Internationale Neuro-Psychopharmacologicum (CINP) meeting in 1994 and the Paul Janssen Research Encouragement Award from the 18th Japanese Society of Clinical Neuropsychopharmacology meeting in 2008. His major research topics include Psychotropics, Clinical psychopharmacology, Molecular Psychopharmacology, Extrapyramidal side effects of antipsychotics. He has been an opinion leader on these fields.