He received his Ph.D from the Graduate School of Asia-Pacific (GSAPS), Waseda University in 2007. He researches the contemporary history of Taiwan, and also working as an Adjunct Researcher at Waseda Taiwan Research Institute. His books include Taiwan no Kokka to Bunka [The Nation and Culture of Taiwan] (Tokyo: Keiso Shobo, 2011) and Taiwan no Gengo to Moji [The Language and Characters of Taiwan] (Tokyo: Keiso Shobo, 2012). His first book was the winner of the 33rd Award for the Promotion of Studies on Developing Countries from JETRO-IDE in 2012.