| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1992 Summer Olympics
|
Hockey |
 JPN |
|
|
|
Kiyoshi Sana |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Spain — Great Britain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — Germany |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — Great Britain |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Unified Team — Malaysia |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Malaysia — New Zealand |
Umpire 1 |
|
|
|
1996 Summer Olympics
|
Hockey |
JPN |
|
|
|
Kiyoshi Sana |
|
|
Hockey, Men
(Olympic)
|
|
Classification Round 9-12 |
Argentina — Malaysia |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
India — Spain |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Great Britain — Republic of Korea |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Malaysia — South Africa |
Umpire 2 |
|
|