Hokkaido University, Hokkaido University of Education, Murakami University, Otaru University of Commerce, Daiguang Agriculture and Forestry University, Asahikawa Medical College, Kitajima University of Technology, Hirosaki University, Iwate University, Tohoku University, Miyagi University of Education, Akita University, Yamagata University, Fukushima University, Ibaraki University, Tsukuba University, Tsukuba University of Technology, Utsunomiya University, Gunma University, _ Jade. Yi Xue University in Tokyo, A&M University in Tokyo, Tokyo University of the Arts, tokyo institute of technology, Tokyo Ocean University, Imperial Tea Women's University, University of Electric Communication, hitotsubashi university, Yokohama National University, Shinji University, etc.