| Kyoto | /japan1999 | 8 | 8 |
| Tsukuba | /japan2000 | 8 | 7 |
| Future University - Hakodate | /japan2001 | 8 | 8 |
| Kanazawa Institute of Technology | /japan2002 | 8 | 8 |
| The University of Aizu | /japan2003 | 8 | 8 |
| Ehime University | /japan2004 | 9 | 9 |
| Tokyo University of Technology | /japan2005 | 9 | 9 |
| KEIO University | /japan2006 | 9 | 9 |
| The University of Tokyo | /japan2007 | 10 | 10 |
| The University of Aizu | /japan2008 | 10 | 10 |
| Waseda University | /japan2009 | 10 | 10 |
| National Institute of Informatics | /japan2010 | 10 | 10 |
| Kyushu University | /japan2011 | 10 | 10 |
| Tokyo Institute of Technology | /japan2012 | 10 | 10 |
| The University of Aizu | /japan2013 | 10 | 10 |
| National Olympics Memorial Youth Center | /japan2014 | 11 | 11 |
| University of Tsukuba | /japan2015 | 11 | 11 |
| University of Tsukuba | /japan2016 | 11 | 11 |
| University of Tsukuba | /japan2017 | 11 | 11 |
| Keio University | /japan2018 | 11 | 11 |
| Keio University | /japan2019 | 11 | 11 |
| Online | /japan2020 | 11 | 11 |
| Online | /japan2021 | 11 | 11 |
| Keio University | /japan2022 | 11 | 11 |
| Tokyo Institute of Technology | /japan2023 | 11 | 11 |
| Institute of Science Tokyo | /japan2024 | 12 | 12 |
Sprouts