Seiji Hashimoto received the M.E. and Ph.D. degrees in Electrical and Electronic Engineering from Utsunomiya University, Japan, in 1996 and 1999, respectively. He joined the Department of Mechanical Engineering at the Oyama National College of Technology. Since 2002, he has been a research associate in Department of Electronic Engineering, Gunma University, where he is now Professor in the Division of Electronics and Informatics. He has consulted for companies in control and energy applications and been a visitor professor in China. He has more than 100 refereed articles and 10 granted and pending patents.His research interests include system identification,motion control, vibration control, energy regenerationand its application to industrial fields. He is currently member of IEEE, IEEJ and SICE.