Since 2004, he has conducted ethnographic research on sufferings of atomic bomb survivors in Hiroshima, Japan, their memories of the catastrophe, and the way in which they have renegotiated with socially-constructed representations of Hiroshima and themselves. He has studied on A-bomb survivors living in the U.S. since 2010. He has received several fellowships and grants including Japan Society for the Promotion of Science Research Fellowship for Young Scientists (2009-2011).