KOGA, Toshihiko (JPN) 1967

Olympic Games Atlanta 1996 (USA) (-78 kg Senior) IJF Silver

World Championships Chiba 1995 (JPN) (-78 kg Senior) IJF Gold

Olympic Games Barcelona 1992 (ESP) (-71 kg Senior) IJF Gold

World Championships Barcelona 1991 (ESP) (-71 kg Senior) IJF Gold

World Senior Championships 1989 (YUG) (-71 kg Senior) IJF Gold

Olympic Games Seoul 1988 (KOR) (-71 kg Senior) IJF

World Championships Essen 1987 (FRG) (-71 kg Senior) IJF Bronze