His research themes Amyloid and Tau PET imaging in dementia and Alzheimer disease, Blood and cerebrospinal fluid biomarkers in dementia and Alzheimer disease, Prospective cohort study of elderly people living in temporary apartments after the Great East Japan Earthquake. Research Keywords for him are Alzheimer’s disease and dementia, molecular neuroimaging, pre-symptomatic detection and preemptic therapy, medication management in elderly people, disaster geriatric medicine.