5-4-3 Shimoochiai Chuo-ku Saitama-shi, 3380002 Saitama Japan Telephone +81 48 8516652 Fax +81 48 8516653 kaigai@sozo-saitama.or.jp http://www.sozo-saitama.or.jp

2-2-3, Minatojima-Minamimachi, Chuo-Ku, Obe, Hyogo, Japan, 6570047 Kobe Japan Telephone +81 78 3060111 Fax +81 78 3060101 http://www.riken.jp/en/

2-3625 Saijyo-cho, 584-0015 Tondabayashi, Osaka Japan Telephone +81 721 982121 Fax +81 721 983402 karino@nittoku.com http://www.nittoku.com/en/index.html

1111 Nogi, Nogi-machi Shimotsuga-gun, 329-0114 Tochigi Japan Telephone +81 280 237001 Fax +81 280 541048 implant@npr.co.jp http://www.npr.co.jp/english/index.html

1-28-9 Ojihoncho, Kita-ku, 114-0022 Tokyo Japan Telephone +81 3 39004524 Fax +81 3 39004545 ncc-sales@ncc-tyo.co.jp http://www.ncc-tyo.co.jp

2-3-3 Sekiguchi, Bunkyo-ku, 112-8663 Tokyo Japan Telephone +81 03 59785636 Fax +81 03 59782890 satoshi-sakai@nichiban.co.jp http://www.nichiban.co.jp

1700, Ohbu, Sakurai, 633-0101 Nara Japan Telephone +81 744 48-8511 Fax +81 744 48-8244 hiroo.nakagawa@nara-seiko.co.jp http://www.nara-seiko.co.jp

Frontier Bldg. 5th Floor, 3-15 Okita-machi, 392-0013 Suwa-shi, Nagano Japan Telephone +81 266 525370 Fax +81 266 587701 info@nanograins.co.jp http://www.nanograins.co.jp

1-9-4, Shinmiyakoda, Kita-Ku Hamamatsu, Shizuoka, 431-2103 Hamamatsu Japan Telephone +81 53 401 1940 Fax +81 53 401 1941 m.nakayama@mekkiyasan.com http://www.mekkiyasan.com

2508-13, Nakago, 377-0293 Shibukawa, Gunma Japan Telephone +81 279 202311 Fax +81 279 202411 m-sasaki@nissei-kk.co.jp http://www.nissei-kk.co.jp/english