| Championship | Event | # | Competitors |
|---|---|---|---|
| National Team Open 2004 | Beach Relay | 3 |
Japan National Team
(JPN) Tatsuya HONDA, Kaoru IKETANI, Eiichi ISHII , Naoshisa TOYODA |
| National Team Open 2004 | 4x50m Obstacle Relay | 15 |
Japan National Team
(JPN) Masahiro HAYASHI, Kaoru IKETANI, Eiichi ISHII , Hirotake NAKASHIMA |
| National Team Open 2004 | Rescue Tube Rescue | 15 |
Japan National Team
(JPN) Kaoru IKETANI, Eiichi ISHII , Hirotake NAKASHIMA, Naoshisa TOYODA |