| Date | Competitor | Country | Score | IAM level | Competition |
|---|---|---|---|---|---|
| 2014-12-11 | YOSHIHIRO IKEDA | Japan | 1450 | 14 | World Memory Championships 2014 |
| 2013-11-30 | YOSHIHIRO IKEDA | Japan | 1220 | 14 | World Memory Championships 2013 |
| 2010-11-03 | TAKESI-SAWAI | Japan | 340 | 4 | World Memory Championship 2010 |