http://www.youtube.com/watch?v=2FBzK3EVcPU
This may have been posted already. Yazaki was a student of Kashiwazaki and apparently had a 30 kg weight advantage on Ikuta. Yazaki fought at 90 kilos for Japan in the 2002 World Team Championships in Basel and the 2003 World Championships. Here is part 2:
http://www.youtube.com/watch?v=_kH3waldlcM