| Swimming |
1978 World Aquatics Championships |
West-Berlin |
 GER |
400 m Freestyle, Men |
25 |
 JPN |
|
| Swimming |
1978 World Aquatics Championships |
West-Berlin |
GER |
1,500 m Freestyle, Men |
13 |
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 Asian Games |
Bangkok |
 THA |
400 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
1978 Asian Games |
Bangkok |
THA |
1,500 m Freestyle, Men |
🥇 |
JPN |
|