Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2004 |  | Hiroaki Matsuyama | MA | |||
| 09/2004 | | Hiromasa Yamamoto | GK |  | Júbilo Iwata | Júbilo Iwata |
| 08/2004 |  | Patrick M'Boma | FW |  | Tokyo Verdy | Verdy |
| 08/2004 |  | Pavel Horváth | MF |  | FK Teplice | FK Teplice |
| 07/2004 | | Seiji Honda | GK |  | Nagoya Grampus | Nagoya Grampus |
| 07/2004 | | Kazumichi Takagi | DF |  | Shimizu S-Pulse | S-Pulse |
| 07/2004 | | Kunihiko Takizawa | MF | | Nagoya Grampus | Nagoya Grampus |
| 07/2004 | | Tomoyuki Hirase | FW |  | Kashima Antlers | Kashima Antlers |
| 02/2004 |  | İlhan Mansız | FW |  | Beşiktaş | Beşiktaş |
| 01/2004 | | Noriaki Ishizawa | DF | |||
| 01/2004 | | Hiroyuki Komoto | DF | |||
| 01/2004 | | Ryuhei Niwa | DF | |||
| 01/2004 |  | Roger Machado | DF |  | Grêmio Porto Alegre | Grêmio |
| 01/2004 | | Chikara Fujimoto | MF | | Nagoya Grampus | Nagoya Grampus |
| 01/2004 | | Tomohiro Wanami | MF |  | Hokkaido Consadole Sapporo | Consadole |
| 01/2004 | | Leandrão | FW |  | Botafogo - RJ | Botafogo |
| 01/2004 | | Kazutaka Murase | FW | |||
| 01/2004 | | Ivan Hašek | MA | |||
| 01/2004 | | Hiroshi Kato | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2004 | | Fumiya Iwamaru | GK | | Júbilo Iwata | Júbilo Iwata |
| 07/2004 | | Naoto Matsuo | DF |  | Albirex Niigata | Albirex Niigata |
| 07/2004 | | Koji Yoshimura | DF |  | Oita Trinita | Oita Trinita |
| 07/2004 | | Tomohiro Wanami | MF | | Hokkaido Consadole Sapporo | Consadole |
| 01/2004 | | Satoshi Hashida | GK |  | Kyoto Sanga FC | Kyoto |
| 01/2004 | | Sidiclei | DF |  | Gamba Osaka | Gamba |
| 01/2004 | | Masaya Nishitani | MF |  | Vegalta Sendai | Vegalta Sendai |
| 01/2004 | | Takayuki Yamaguchi | MF |  | Thespa Gunma | Thespa |
| 01/2004 | | Masayuki Okano | FW |  | Urawa Red Diamonds | Red Diamonds |
| 01/2004 | | Oséas | FW |  | Internacional | Internacional |
| 01/2004 | | Taro Sugahara | FW |  | Sagan Tosu | Sagan |
| 01/2004 | | Hiroshi Soejima | MA |  | Momoyama Gakuin | Momoyama Gakuin |