Warner Bros.’ Japanese arm was the territory’s No. 1 distrib last year, grossing 33.1 billion yen ($267 million), up 14% over 2001.WB beat Japanese major Toho, whose releases racked up $251 million. The second-best performing U.S. distrib was Fox, which posted $160 million. The national B.O. was estimated at $1.4 billion, giving Warner Japan a 19% share of the market.