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| Head Office |
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2-9-6 Higashi ohi, Shinagawa-ku, Tokyo 140-8533 JAPAN |
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| Tochigi area |
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943 Shimokanai-cho, Utsunomiya-shi, Tochigi 321-2114 JAPAN

Safety Equipment Marketing Division Manufacture Department & Utsunomiya office |
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| Nagano area |
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283-12 Nenei, Saku-shi, Nagano 385-0012 JAPAN

Rikenoptech R&D center |
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| Aichi area |
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9-10 Futano-cho, Mizuho-ku Nagoya-shi, Aichi 467-0861 JAPAN

Nagoya Office |
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| Osaka area |
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5-3-14 Nagatanaka, Higashi osaka-shi, Osaka-fu 577-0013 JAPAN

Osaka Office |
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| Hiroshima area |
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3-29-21 Akebono-cho, Fukuyama-shi, Hiroshima 721-0952 JAPAN

Fukuyama Office |
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| Fukuoka area |
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2-3-35 Jouno, Kokura Minami-ku, Kita Kyushu-shi Fukuoka 802-0802 JAPAN

Kita-Kyushu Office |
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| Kumamoto area |
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2900-2 Seigenji, Nagasu-cho, Tamana-gun, Kumamoto 869-0105 JAPAN

Kumamoto Office |
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