Representative: KOSHIKAWA Michio
Attention: KOSHIKAWA Michio
Dept:

#503, 12-3, Udagawacho, Shibuya-ku, Tokyo 150-0042
Tel: +81-3-3770-3717
Fax: +81-3-3770-3718
E-mail: kosikawa@kg7.so-net.ne.jp
URL ： http://d.hatena.ne.jp/slowlearner_m/