Graidings

First Dan

Minimum age
15 years
Minimum practice
6 months / 80 training days since 1st kyu
Taijutsu
Suwariwaza- Ikkyo~Gokyo (Shomen-Uchi), Nagewaza and Buki-dori (3 forms), Jiyuwaza (bare hands x 1 and ken x 1, 45 seconds minimum)
Buki-waza
Ken-no-Suburi 1~7, Jo-no-Suburi 1~20

2nd Dan

Minimum age
18 years
Minimum practice
1 and a half years / 300 training days since 1st Dan
Taijutsu
Suwariwaza-Ikkyo~Gokyo (Shomen-Uchi), Nagewaza and Buki-dori (3 forms), Jiyuwaza (bare hands x 2 and ken x 1, 1 minute minimum)
Buki-waza
Ken-no-Suburi 1~7, Jo-no-Suburi 1~20, Ken-no-awase (right, left, gohon, roppon, nanahon), 31 jo-no-kata and 13 jo-no-kata

3rd Dan

Minimum age
25 years
Minimum practice
2 and a half years / 500 training days since 2nd Dan
Taijutsu
Suwariwaza Ikkyo-Gokyo (Shomen-Uchi/Yokomen-Uchi), Tachiwaza- Ikkyo~Gokyo (Shomen-Uchi / Yokomen Uchi, different techniques from Suwariwaza), Nagewaza (4 forms), Buki-dori Jiyuwaza (ken x 1, jo x 1, tanken x 1, 1 minute 30 seconds minimum)
Buki-waza
Ken-no-Suburi 1~7, Happo-giri (Suburi Kata 1-2-6-7), Kumi Tachi 1~5, Kimusubi-no-Tachi, Jo-no-Suburi 1~20, 31 no-kumi-jo, 13 jo-no-awase

4th Dan

Minimum age
30 years
Minimum practice
3 and a half years / 600 training days since 3rd Dan
Taijutsu
Suwariwaza-Ikkyo~Gokyo (Shomen-Uchi/Yokomen-Uchi), Tachiwaza- Ikkyo~Gokyo (Shomen-Uchi/Yokomen-Uchi, different techniques from Suwariwaza), Nagewaza (4 forms), Buki-dori Jiyuwaza (bare hands x 1, ken x 1, jo x 1, tanken x 1, 1 minute 30 seconds minimum)
Buki-waza
Ken-no-Suburi 1~7, Jo-no-Suburi 1~20, Ken-tai-Jo 1~7, kumijo 1~10 (11 including yon-no-ni)