Lihua Zhang took the PhD degrees from Hokkaido University, Japan in 2008. She is currently working as an assistant professor in Hokkaido University. Ph.D.Noriyuki Okinaka and Ph.D. Tomohiro AKIYAMA is working in faculty of engineering of Hokkaido University. More information at: http://anergy.caret.hokudai.ac.jp/index_e.html