Kotaku: In the second round of oral arguments for the Itagaki vs. Tecmo suit, Dead or Alive creator Tomonobu Itagaki submitted evidence that included an affidavit from Ninja Gaiden II producer Yoshifuru Okamoto, a contract from 2005 that seems to clearly state terms of the Dead or Alive 4 bonus and a voice recording of Tecmo president Yoshimi Yasuda. Itagaki is suing Tecmo over unpaid DoA4 wages.
Kotaku obtained copies of both the secret recording and the contract and translated both for this story.