| Swimming |
1978 World Aquatics Championships
|
West-Berlin |
 GER |
100 m Butterfly, Men |
21 |
 JPN |
|
| Swimming |
1978 World Aquatics Championships
|
West-Berlin |
GER |
200 m Butterfly, Men |
18 |
JPN |
|
| Swimming |
1978 World Aquatics Championships
|
West-Berlin |
GER |
4 x 100 m Freestyle Relay, Men |
15 |
JPN |
|
| Swimming |
1978 World Aquatics Championships
|
West-Berlin |
GER |
4 x 200 m Freestyle Relay, Men |
AC |
JPN |
|
| Swimming |
1978 World Aquatics Championships
|
West-Berlin |
GER |
4 x 100 m Medley Relay, Men |
8 |
JPN |
|
| Swimming |
1978 Asian Games
|
Bangkok |
 THA |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1978 Asian Games
|
Bangkok |
THA |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1978 Asian Games
|
Bangkok |
THA |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
1981 Summer Universiade
|
București |
 ROU |
200 m Butterfly, Men |
5 |
JPN |
|