| No. | Dates | Chairperson | Venue |
|---|
| 39th | Sep. 3 (Wed) – 5 (Fri), 2025 | Shinya Kodani | GRANSHIP (Shizuoka) |
| 38th | Sep. 10 (Tue) – 11 (Wed), 2024 | Shunji Takahashi | Hitotsubashi Hall |
| 37th | Sep. 7 (Thu) – 8 (Fri), 2023 | Kenji Arakawa | Higashi Hiroshima Arts and Culture Hall Kurara |
| 36th | Sep. 14 (Wed) – 16 (Fri), 2022 | Yoshimitsu Hamano | Fukui International Activities Plaza |
| 35th | Sep. 18 (Sat) – 19 (Sun), 2021 | Kenji Ueda | Online |
| 34th | Sep. 23 (Mon) – 24 (Tue), 2019 | Tohru Dairi | Hokkaido University Sapporo Campus |
| 33th | Sep. 11 (Tue) – 12 (Wed), 2018 | Koji Ichinose | Musashino University Ariake Campus |
| 32th | Sep. 7 (Thu) – 8 (Fri), 2017 | Masakazu Kataoka | Wakasato Municipal Cultural Hall, Nagano |
| 31th | Sep. 8 (Thu) – 9 (Fri), 2016 | Yasuo Ohnishi | Yayoi Auditorium Ichijo hall, The university of Tokyo |
