| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1964 Summer Olympics
|
Volleyball (Volleyball) |
 JPN |
|
|
|
Hiroshi Kuwahara |
|
|
Volleyball, Men
(Olympic)
|
|
Match #8 |
United States — Republic of Korea |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #21 |
Romania — Republic of Korea |
Referee #2 |
|
|
|
1968 Summer Olympics
|
Volleyball (Volleyball) |
JPN |
|
|
|
Hiroshi Kuwahara |
|
|
Volleyball, Men
(Olympic)
|
|
Match #3 |
Czechoslovakia — East Germany |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #9 |
Bulgaria — Belgium |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #12 |
Poland — Belgium |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #25 |
Poland — United States |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #29 |
Czechoslovakia — Bulgaria |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #35 |
East Germany — Brazil |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #6 |
Czechoslovakia — United States |
Referee #1 |
|
|