About Otsuka
Head Office / Headquarters
Head Office
2-9, Kanda-Tsukasamachi, Chiyoda-ku, Tokyo 101-8535, Japan
FAX:+81-3-6717-1499
Tokyo Headquarters
Shinagawa Grand Central Tower, 2-16-4 Konan, Minato-ku, Tokyo 108-8242, Japan
FAX:+81-3-6717-1499
Osaka Headquarters
3-2-27, Otedori, Chuo-ku, Osaka-shi, Osaka 540-0021, Japan
Tokushima Headquarters
463-10, Kagasuno, Kawauchi-cho, Tokushima-shi, Tokushima 771-0192, Japan