research institute of electrical communication, tohoku university katahira campus, 2-1-1 katahira, aoba-ku, sendai, miyagi, japan (on the premises of katahira complex, tohoku university)

53 kunotsubo, terado-cho, muko-city, kyoto, japan

2-2-7 matsubara, saga city, saga prefecture

4-12-50-2, magarikane, suruga-ku, shizuoka city

8-6-35, amami higashi, matsubara-shi, osaka

4-3 sakae-cho, aizuwakamatsu city, fukushima prefecture

minato-ku, tokyo

yaromachi, shinjuku-ku, tokyo

3-25-18 jingumae, shibuya-ku, tokyo

gifu city, gifu prefecture