Takumi Kobayashi is a research scientist at National Institute of Advanced Industrial Science and Technology in Japan. He received the M.Eng. degree from University of Tokyo and the Dr. Eng. degree from the University of Tsukuba, in 2005 and in 2009, respectively. He is also a professor in the Department of Computer Science, Graduate School of Systems and Information Engineering in University of Tsukuba. DBLP link is here.