| Swimming |
1949 USA Swimming National Championships (Outdoor/LCM) |
Los Angeles, CA; San Antonio, TX |
 USA |
100 m Freestyle, Men |
5 |
 JPN |
|
| Swimming |
1949 USA Swimming National Championships (Outdoor/LCM) |
Los Angeles, CA; San Antonio, TX |
USA |
200 m Freestyle, Men |
5 |
JPN |
|
| Swimming |
1949 USA Swimming National Championships (Outdoor/LCM) |
Los Angeles, CA; San Antonio, TX |
USA |
4 x 220 y Freestyle Relay, Men |
🥇 |
JPN |
|
| Swimming |
1986 Asian Games |
Seoul |
 KOR |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
1986 Asian Games |
Seoul |
KOR |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
1987 Pan Pacific Swimming Championships |
Brisbane |
 AUS |
100 m Backstroke, Men |
9 |
JPN |
|
| Swimming |
1987 Pan Pacific Swimming Championships |
Brisbane |
AUS |
200 m Backstroke, Men |
9 |
JPN |
|
| Swimming |
1988 Asian Aquatics Championships |
Guangzhou |
 CHN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
1988 Asian Aquatics Championships |
Guangzhou |
CHN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
100 m Backstroke, Men |
5 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 100 m Medley Relay, Men |
DQ |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 50 m Medley Relay, Men |
6 |
JPN |
|