He received his Ph.D. degree in Department of Electrical Engineering from The University of Tokyo in 2005. He received his B.S. and M.S. degrees in Department of Mechanical Engineering from Kyoto University. He was a visiting student in Prof. C.J. Kim’s group, Department of Mechanical and Aerospace Engineering, University of California, Los Angeles (2000–2001) and a visiting scholar with Prof. S. Takayama, Department of Biomedical Engineering, University of Michigan (2011–2012).