History
| 1st | 1994 Nov | Kogakuin University | Tokyo |
| 2nd | 1995 Aug | Int’l House | Osaka |
| 3rd | 1996 Nov | Kobe Int’l Conference Center | Hyogo |
| 4th | 1997 Sep | Kogakuin University | Tokyo |
| 5th | 1998 Jul | Kogakuin University | Tokyo |
| 6th | 1999 Jul | Kogakuin University | Tokyo |
| 7th | 2000 Jul | Kogakuin University | Tokyo |
| 8th | 2001 Jul | Kogakuin University | Tokyo |
| 9th | 2002 Jul | Kogakuin University | Tokyo |
| 10th | 2003 Jul | Kogakuin University | Tokyo |
| 11th | 2004 Aug | Keio Plaza Hotel | Tokyo |
| 12th | 2005 Jul | Kanazawa Bunka Hall | Ishikawa |
| 13th | 2006 Jul | Keio Plaza Hotel | Tokyo |
| 14th | 2007 Jul | Awaji Yumebutai Int’l Conference Center | Hyogo |
| 15th | 2008 Jul | The National Museum of Emerging Science and Innovation (Miraikan) | Tokyo |
| 16th | 2009 Jul | Nara Centennial Hall | Nara |
| 17th | 2010 Jul | Tokyo Institute of Technology | Tokyo |
| 18th | 2011 Jul | Ryukoku University Avanti Kyoto Hall | Kyoto |
