Kamata is a minor character in The Fast and the Furious: Tokyo Drift.
Kamata is the uncle of Takashi and a Yakuza crime boss. He visits Takashi when he notices that Han is stealing their money and reprimands Takashi for not noticing, causing Takashi to go after Han and get into a chase with Han that resulted in Han and Morimoto's deaths. Later Sean came to him to propose a deal. He (Sean) and Takashi would race each other, and the loser would leave Tokyo for good. Kamata accepted, and witnessed the race. After Sean won, Kamata kept his end of the deal and let him stay.