2008-07-29 10:58:18 GMT 2008-07-29 18:58:18 (Beijing Time) SINA.com
Journalists are silhouetted during Nintendo Co Ltd's news conference in Chiba, east of Tokyo, October 10, 2007. (Yuriko Nakao/Reuters)
Japan's Nintendo Co Ltd (7974.OS) said on Tuesday it had filed a lawsuit against five Japanese firms for importing and selling equipment that enables illegal game programs to be played on Nintendo's popular DS portable video game player.
Nintendo said it filed the lawsuit earlier in the day at the Tokyo District Court together with 54 other Japanese software makers.