2004 Japan Football LeagueThe 2004 Japan Football League was the sixth season of the Japan Football League, the third tier of the Japanese football league system.OverviewIt was contested by 16 teams, and Otsuka Pharmaceuticals won the championship.AttendancesPromotion and relegationBecause of promotion of Otsuka Pharmaceuticals and Thespa Kusatsu and expulsion of Kokushikan University, no relegation has occurred. After the season, Honda Lock, Mitsubishi Motors Mizushima and Ryutsu Keizai University were promoted from Regional Leagues by the virtue of their placing in the Regional League promotion series.