| Swimming |
2004 World Swimming Championships (25 m) |
Indianapolis |
 USA |
50 m Backstroke, Women |
11 |
 JPN |
|
| Swimming |
2004 World Swimming Championships (25 m) |
Indianapolis |
USA |
100 m Backstroke, Women |
9 |
JPN |
|
| Swimming |
2004 World Swimming Championships (25 m) |
Indianapolis |
USA |
200 m Backstroke, Women |
6 |
JPN |
|
| Swimming |
2004 World Swimming Championships (25 m) |
Indianapolis |
USA |
4 x 100 m Medley Relay, Women |
6 |
JPN |
|
| Swimming |
2005 Swim World Cup |
Berlin |
 GER |
100 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2005 Swim World Cup |
Moskva |
 RUS |
50 m Backstroke, Women |
🥈 |
JPN |
|
| Swimming |
2005 Swim World Cup |
Moskva |
RUS |
100 m Backstroke, Women |
🥈 |
JPN |
|
| Swimming |
2005 Summer Universiade |
İzmir |
 TUR |
100 m Backstroke, Women |
🥈 |
JPN |
|
| Swimming |
2005 East Asian Games |
Macau |
 MAC |
50 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2006 Asian Aquatics Championships |
Singapore |
 SGP |
50 m Backstroke, Women |
🥈 |
JPN |
|
| Swimming |
2006 Asian Aquatics Championships |
Singapore |
SGP |
100 m Backstroke, Women |
🥉 |
JPN |
|