| Wrestling |
2000 Asian Wrestling Championships |
Seoul |
 KOR |
Freestyle -51 kg, Women |
🥇 |
 JPN |
as Hitomi Sakamoto |
| Wrestling |
2000 World Wrestling Championships - Women |
Sofia |
 BUL |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2001 East Asian Games |
Osaka |
JPN |
Freestyle -51 kg, Women |
🥇 |
JPN |
|
| Wrestling |
2001 World Wrestling Championships - Freestyle |
Sofia |
BUL |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2005 Asian Wrestling Championships |
Wuhan |
 CHN |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2005 World Wrestling Championships |
Budapest |
 HUN |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2006 World Wrestling Championships |
Guangzhou |
CHN |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2007 World Wrestling Championships |
Bakı |
 AZE |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2008 World Wrestling Championships |
Tokyo |
JPN |
Freestyle -51 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2010 World Wrestling Championships |
Moskva |
 RUS |
Freestyle -48 kg, Women |
🥇 |
JPN |
as Hitomi Sakamoto |
| Wrestling |
2010 Asian Games |
Guangzhou |
CHN |
Freestyle -48 kg, Men |
🥉 |
JPN |
|
| Wrestling |
2011 World Wrestling Championships |
İstanbul |
 TUR |
Freestyle -48 kg, Women |
🥇 |
JPN |
|