| Swimming |
2009 East Asian Games |
Hong Kong |
 HKG |
4 x 100 m Medley Relay, Women |
🥈 |
 JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
200 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
100 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
50 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
 USA |
200 m Backstroke, Women |
14 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
50 m Backstroke, Women |
11 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
100 m Backstroke, Women |
12 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Rio de Janeiro |
 BRA |
100 m Backstroke, Women |
🥇 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Rio de Janeiro |
BRA |
50 m Backstroke, Women |
🥇 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Rio de Janeiro |
BRA |
200 m Backstroke, Women |
🥇 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
 UAE |
4 x 100 m Medley Relay, Women |
11 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
200 m Backstroke, Women |
13 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
100 m Backstroke, Women |
21 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
50 m Backstroke, Women |
4 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Dubai |
UAE |
50 m Backstroke, Women |
🥇 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Dubai |
UAE |
100 m Backstroke, Women |
🥈 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
 AUS |
100 m Backstroke, Women |
8 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
AUS |
100 m Freestyle, Women |
37 |
JPN |
|
| Swimming |
2014 Asian Games |
Incheon |
 KOR |
50 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
50 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
100 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2016 Swim World Cup |
Tokyo |
JPN |
50 m Backstroke, Women |
🥉 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
 CHN |
4 x 50 m Medley Relay, Mixed |
4 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
4 x 50 m Medley Relay, Women |
4 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
50 m Backstroke, Women |
6 |
JPN |
|