Headquarters and branches branch Factories and research laboratories Headquarters and branches Osaka Head Office 1-8-1, Tatsumi-nishi, Ikuno-ku, Osaka 544-8666Tel: 06-6758-1231 Explore map Grand Front Osaka Office 29F Grand Front Osaka Tower-B3-1, Ofuka-cho, Kita-ku, Osaka 530-0011Tel：06-6758-1235 Explore map Tokyo Branch 20F Shiodome Bldg.1-2-20, Kaigan, Minato-ku, Tokyo 105-0022Tel：03-6832-6010 Explore map branch Sapporo Branch 9F Taijuseimei Sapporo Oudouri Bldg.6-2-6, Oudouri-nishi, Chuo-ku, Sapporo 060-0042Tel：011-207-2361 Explore map Sendai Branch 510 Building 6F4-2-27 Chuo, Aoba-ku, Sendai City, 980-0021Tel: 022-212-6080 Explore map Kanto Branch 5F TS Bldg.28,Ekihigashidori,oyama,Tochigi 323-0022Tel：0285-38-6323 Explore map Nagoya Branch 2nd Nagoya Sanko Building, 9th floor19-14 Meieki 3-chome, Nakamura-ku, Nagoya City, Aichi Prefecture, 450-0002Tel: 052-587-5421 Explore map Hiroshima Branch 6F Sankyou Inari-cho Bldg.5-18, Inari-cho, Minami-ku, Hiroshima 732-0827Tel：082-568-1125 Explore map Fukuoka Branch 2F Urbannet Hakata Bldg.2-5-1, Hakataeki-higashi, Hakata-ku, Fukuoka 812-0013Tel：092-418-1308 Explore map Factories and research laboratories Osaka Plant and Laboratory 1-8-1, Tatsumi-nishi, Ikuno-ku, Osaka 544-8666Tel: 06-6758-1231 Explore map Ueno Techno Center 7-3, Yumegaoka, Iga, Mie 518-0131Tel：0595-26-2111 Explore map Rohto Research Village Kyoto 6-5-4, Kunimidai, Kizugawa, Kyoto 619-0216Tel：0774-71-8770 Explore map Rohto Science Hub Tokyo 15th Floor, Time 24 Building, 2-4-32 Aomi, Koto-ku, Tokyo 135-0064Tel: 03-3570-5775 Explore map Rohto Cross InnovationLab 16F, 4-3-51 Nakanoshima, Kita-ku, Osaka-shi, Osaka 530-0005Tel：06-6447-8610 Explore map