Related by context. Frequent words. (Click for all words.) 56 RIKEN 52 Tohoku 51 Kyushu 48 Tokai 48 Shiga 47 Atsushi 47 Tochigi 47 Takeuchi 47 Toyama 47 Mitsubishi Chemical 46 Niigata Prefecture 46 JAXA 46 Shizuoka Prefecture 46 Matsumura 46 Hyogo 46 Chubu Electric 45 Mie 45 Nagaoka 45 Masaru 45 Tohoku region 45 Iwate 45 Gifu 45 Niigata 45 Chubu 44 Oita 44 Satoshi 44 Takao 44 Shinichi 44 Tatsuya 44 Masaaki 44 Hamaoka plant 44 Nagoya 44 Fujitsu Laboratories 44 Nihon 44 Chubu Electric Power 44 Makoto 43 Hiroaki 43 Yasuo 43 Naoki 43 Hiroshi 43 Masayuki 43 Hamaoka 43 Kashima 43 Yuichi 43 Iida 43 Takeshi 42 Takumi 42 Nippon 42 Nakajima 42 Tetsuo 42 Hiroyuki 42 Ohashi 42 Ogawa 42 Kanagawa 42 Hajime 42 Tohoku Electric Power 42 Yuji 42 Okazaki 42 Koji 42 Nozomi 41 Hyogo Prefecture 41 Niigata prefecture 41 Shimadzu 41 Takada 41 Nakanishi 41 Tsuchiya 41 Kumamoto 41 Saitama Prefecture 41 Yasuhiro 41 Okayama 41 Toshio 41 Seiji 41 Hirose 41 Takashima 41 Kanazawa 41 Hamamatsu 41 Yamada 41 Keio University 41 Tepco 41 Hokkaido 41 Iwaki 41 Matsuo 41 Sato 41 Kansai Electric Power 41 Sakurai 41 Kitamura 40 Shigeru 40 Tsukuba 40 Ibaraki Prefecture 40 Kazuo 40 Takahiro 40 UFJ 40 Saitama 40 Fujisawa 40 Koyama 40 Yokoyama 40 Hiroki 40 Japan 40 Hashimoto 40 Masao 40 Kanagawa Prefecture