Riccoh Co., Ltd.

Kyobashi Edogrand 24F, 2-2-1 Kyobashi, Chuoku, 104-0031 Tokyo Japan Telephone +81 3 62621228 Fax +81 3 62621229 w-sales@i-riccoh.com http://i-riccoh.com/en/index.html

Propox Co., Ltd

38-2 Uchida-cho Hachijyo Minamiku, 601-8475 Kyoto Japan Telephone +81 75 2043888 Fax +81 75 2043887 m-matsumoto@propox.co.jp http://www.propox.co.jp

Piezo Sonic Co., Ltd.

#505 Techno Front Morigasaki, 4-6-15 Omori Minami, Ota-Ku,, 143-0013 Tokyo Japan Telephone +81 3 63796020 Fax +81 3 67151360 info@piezo-sonic.com http://www.piezo-sonic.com

Olpaso Corporation

6F, Lions Bldg Itsutsubashi, 1-4-24, Itsutsubashi, Aoba-Ku, 980-0022 Sendai Japan Telephone +81 22 3979370 Fax +81 22 3979371 info@olpaso.co.jp http://olpaso.co.jp/

NOF CORPORATION

20-3, Ebisu 4-chome, Shibuya-ku, 150-6019 Tokyo Japan Telephone +81 3 54246771 Fax +81 3 54246802 g_honn_ls@nof.co.jp http://www.nof.co.jp/english/index.html