HISTORY
| PACS | JSRS | DATE | PLACE |
| 1 | 29-30 March 1990 | Tokyo | |
| 2 | 9-11 June 1991 | Tampere | |
| 3 | 5-7 October 1992 | Osaka | |
| 4 | 1 | 3-5 November 1993 | Tokyo |
| 5 | 2 | 16-18 June 1996 | Stockholm |
| 6 | 3 | 5-7 November 1998 | Kobe |
| 7 | 4 | 24-26 May 2001 | Oslo |
| 8 | 5 | 22-25 September 2004 | Yamagata |
| 9 | 6 | 7-9 September 2006 | Stockholm |
| 10 | 7 | 26-28 September 2008 | Tokyo |
| 11 | 8 | 6-7 September 2010 | Vejle |
| 12 | 9 | 6-7 September 2012 | Tokyo |
| 13 | 10 | 11-13 June 2014 | Turku |
| 14 | 11 | 15-17 September 2016 | Tokyo |
| 15 | 12 | 13-15 June 2018 | Bergen |
| 16 | 13 | 29 September - 1 October 2021 | Sapporo (All-ONLINE) |
| 17 | 14 | 30 May - 1 June 2023 | Sweden |
| 18 | 15 | 18-19 June 2024 | Gunma |