Hiroyuki Obata had the following finishes at major championships – 1994 World Championship: 130.0 kg. Freestyle (6th); 1989 World Championship: 130.0 kg. Freestyle (9th); 1998 World Championship: 130.0 kg. Freestyle (11th); 1995 World Championship: 130.0 kg. Freestyle (17th); 1997 World Championship: 130.0 kg. Freestyle (18th); 1999 World Championship: 130.0 kg. Freestyle (19th); 1997 Asian Championship: 125.0 kg. Freestyle (2nd); 1989 Asian Championship: 130.0 kg. Freestyle (3rd); 1995 Asian Championship: 130.0 kg. Freestyle (4th); 1999 Asian Championship: 130.0 kg. Freestyle (4th); 2000 Asian Championship: 130.0 kg. Freestyle (4th); 1991 Asian Championship: 130.0 kg. Freestyle (5th); 1993 Asian Championship: 130.0 kg. Freestyle (5th); 1996 Asian Championship: 130.0 kg. Freestyle (5th); 1994 Asian Games: 130.0 kg. Freestyle (4th); 1998 Asian Games: 130.0 kg. Freestyle (5th).
Japan