Related by context. Frequent words. (Click for all words.) 57 RIKEN 53 Tottori 53 Ehime 53 Hiroshima Prefecture 53 Shinya Yamanaka 52 Miyazaki Prefecture 52 Shigeru 51 Wakayama 51 Hiroaki 51 Hyogo 50 Hokkaido 50 Okayama 50 Kataoka 50 Riken 50 Hatakeyama 50 Tokushima 50 Tochigi Prefecture 50 Tsuyoshi 49 Ohira 49 Mitsuo 49 Mie 48 Satoh 48 Iijima 48 Masahiko 48 Saitama Prefecture 48 Tsukuba 48 Hiroshi 48 Shimane 48 Tsukuba Japan 48 Masaru 48 Mitsuru 48 Michio 48 Yoshiaki 48 Aomori Prefecture 48 Kyushu 48 Yoshikawa 47 Mie Prefecture 47 Yamanaka 47 Yoshihiro 47 Yamakawa 47 Nagoya 47 Masao 47 Akihiko 47 Kagoshima Prefecture 47 Yoshiyuki 47 Tetsuya 47 Waseda 47 Nobuyuki 47 Masayuki 47 Chiba 47 Tokyo JCNN 47 Yasuo 47 Gifu 47 Aichi Japan 47 Yamanashi 47 Osaka Prefecture 47 Hiroyuki 46 Nagao 46 Shinichi 46 Gunma 46 Atsushi 46 Shunsuke 46 Tsutomu 46 Kyung Hee University 46 Yasui 46 Hyogo Prefecture 46 Miyata 46 Kohei 46 Takashi 46 Tohoku 46 Kanagawa 46 Fujisawa 46 Kyushu island 46 Masanori 46 Shimomura 46 Kunio 46 Keio University 46 Hisashi 46 Satoshi 46 Yosuke 46 Tokyo Waseda University 45 Kagoshima 45 Waseda University 45 Noboru 45 Takizawa 45 Nagaoka 45 Keisuke 45 Kanagawa prefecture 45 Fukuoka Japan 45 Manabu 45 Nozaki 45 Fumio 45 Takaoka 45 Fukuoka Prefecture 45 Atsuko 45 Toshio 45 Takeshi 45 Makoto 45 Hajime 45 Kitamura 45 Yumiko