Year
Being on the register roll
7.26kg
6.35kg
1990
Narita High School 1st year
57.82 meters
1991
Narita High School 2nd year
61.76 meters (Japan Junior Record)
68.22 meters (High School Best Record)
1992
Narita High School 3rd year
66.30 meters (Japan Junior Record)
73.52 meters (High School Best Record)
1993
Chukyo University 1st year
68.00 meters (New Student Record/Japan Junior Record)）
1994
Chukyo University 2nd year
69.54 meters (New Student Record )
1995
Chukyo University 3rd year
72.32 meters (New Student Record )
1996
Chukyo University 4th year
73.82 meters (New Student Record )
1997
Mizuno Track Club
75.72 meters
1998
Mizuno Track Club
78.57 meters (New Japanese Record)
1999
Mizuno Track Club
79.17 meters (New Japanese Record )
2000
Mizuno Track Club
81.08 meters (New Japanese Record )
2001
Mizuno Track Club
83.47 meters (New Asian Record)
2002
Mizuno Track Club
83.33 meters
2003
Mizuno Track Club
84.86 meters (New Asian Record )
2004
Mizuno Track Club
83.15 meters
2005
Mizuno Track Club
76.47 meters
