| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1964 Summer Olympics
|
Water Polo (Aquatics) |
 JPN |
|
|
|
Masaya Natori |
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Yugoslavia — Soviet Union |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Soviet Union — Italy |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
Italy — Unified Team of Germany |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Hungary — Netherlands |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #4 |
United States — Brazil |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Hungary — United Arab Republic |
Goal Judge |
|
|