Koichiro Tsukamoto
  • Male
  • Shinagawa-ku, Tokyo
  • Japan

Koichiro Tsukamoto's Friends

  • Steve Nagata
  • Mobile in Japaner
  • Paul Papadimitriou

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Profile Information

My mobile devices
iPhone, Android developer edition, BlackBerry, Windows Mobile, Japanese Keitai
My carrier
Softbank Mobile
Twitter
http://twitter.com/kou2003
Website
http://www.linkedin.com/in/koichirotsukamoto
My reason to join
Interested in Japanese cell phone market in the future.

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