| Swimming |
2005 Summer Universiade |
İzmir |
 TUR |
4 x 100 m Medley Relay, Men |
🥉 |
 JPN |
|
| Swimming |
2005 Summer Universiade |
İzmir |
TUR |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2005 Summer Universiade |
İzmir |
TUR |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2005 Summer Universiade |
İzmir |
TUR |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2005 East Asian Games |
Macau |
 MAC |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2005 East Asian Games |
Macau |
MAC |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
 CAN |
200 m Backstroke, Men |
9 |
JPN |
|
| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
CAN |
100 m Backstroke, Men |
10 |
JPN |
|
| Swimming |
2006 Asian Games |
Doha |
 QAT |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
 AUS |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
AUS |
200 m Backstroke, Men |
11 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
AUS |
100 m Backstroke, Men |
14 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
 USA |
200 m Backstroke, Men |
16 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
100 m Backstroke, Men |
10 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
50 m Freestyle, Men |
38 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
50 m Backstroke, Men |
9 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
 UAE |
50 m Backstroke, Men |
17 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
4 x 100 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
100 m Backstroke, Men |
15 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Dubai |
UAE |
50 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Dubai |
UAE |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Singapore |
 SGP |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Tokyo |
JPN |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2011 Swim World Cup |
Tokyo |
JPN |
100 m Individual Medley, Men |
🥉 |
JPN |
|