1970, Osaka, Japan, Masnori Morimoto

1976, Zürich, Schweiz, Ugo Fisch

1980, Los Angeles, USA, William House/Malcom Graham

1984, Bordeaux, France, Michel Portmann

1989, Rio de Janeiro, Brasilia, Decio Castro

1992, Cologne, Germany, Eberhard Stennert

1997, Matsuyama, Japan, Naoaki Yanagihara

2001, San Francisco, USA, Robert Jackler/Kedas Adour

2005, Maastricht, Netherlands, Hans Manni/Carien Beurskens/Jean-Philippe Nicolai

2009, Rome, Italy, Roberto Filipo, Maurizo Barbara